{"id":9516,"date":"2015-06-04T16:03:10","date_gmt":"2015-06-04T16:03:10","guid":{"rendered":"http:\/\/www.manhattanprep.com\/gmat\/?page_id=9516"},"modified":"2015-06-10T17:21:52","modified_gmt":"2015-06-10T17:21:52","slug":"errata-fom-4ed","status":"publish","type":"page","link":"https:\/\/www.manhattanprep.com\/gmat\/errata\/errata-fom-4ed\/","title":{"rendered":"Errata &#8211; Foundations of Math, 4th Edition"},"content":{"rendered":"<div class=\"container content-template-container\">\r\n    <div class=\"row\">\r\n        <div class=\"col-sm-12\">\r\n            <h2>Errata &#8211; Foundations of GMAT Math, 4th Edition<\/h2>\r\n            \r\n        <\/div>\r\n    <\/div>\r\n<\/div>\r\n\r\n<div class=\"container content-template-container\">\r\n\r\n    <div class=\"row\">\r\n\r\n        <div class=\"col-sm-12\">\r\n\r\n            <div id=\"dynamicevents\" style=\"margin-top:0px;margin-bottom:0px;\">\r\n\r\n            <\/div>\r\n\r\n            <h2>Foundations of GMAT Math (Edition 4.1)<\/h2>\r\n            <table class=\"table table-bordered table-striped\">\r\n                <thead>\r\n                    <tr>\r\n                        <th class=\"col-md-4\">\r\n                            <h4>\r\n          Edition 4.2<\/h4>\r\n                        <\/th>\r\n                        <th class=\"col-md-4\">\r\n                            <h4>\r\n          Edition 4.1<\/h4>\r\n                        <\/th>\r\n                        <th class=\"col-md-4\">\r\n                            <h4>\r\n          Edition 4.0<\/h4>\r\n                        <\/th>\r\n                    <\/tr>\r\n                <\/thead>\r\n                <tbody>\r\n                    <tr>\r\n                        <td class=\"col-md-4\">\r\n                            <p>\r\n                                <strong>Release Date:<\/strong>\r\n                                <br \/> August, 2010<\/p>\r\n                            <p>\r\n                                <strong>Differentiating Mark:<\/strong><\/p>\r\n                            <p>\r\n                                <img decoding=\"async\" alt=\"4.2 differentiating mark\" src=\"\/\/cdn2.manhattanprep.com\/images\/gmat\/ed4.2-mark.png\" style=\"float: left; margin-right: 10px\" \/> Back Cover, Bottom Right Corner<\/p>\r\n                        <\/td>\r\n                        <td>\r\n                            <p>\r\n                                <strong>Release Date:<\/strong>\r\n                                <br \/> December 1, 2009<\/p>\r\n                        <\/td>\r\n                        <td>\r\n                            <p>\r\n                                <strong>Release Date:<\/strong>\r\n                                <br \/> May 1, 2009<\/p>\r\n                        <\/td>\r\n                    <\/tr>\r\n                <\/tbody>\r\n            <\/table>\r\n            <p>\r\n                The Foundations of GMAT Math Strategy Supplement (326 pages) provides a refresher of the basic math topics tested on the GMAT. Designed to be user-friendly for all students, this book provides easy-to-follow explanations of fundamental math concepts and step-by-step application of these concepts to example problems.\r\n            <\/p>\r\n            <h2>4.2<\/h2>\r\n            <table class=\"table table-bordered table-striped\">\r\n                <thead>\r\n                    <tr>\r\n                        <th>Page<\/th>\r\n                        <th>Loc<\/th>\r\n                        <th>Description<\/th>\r\n                        <th>Erroneous Text<\/th>\r\n                        <th>Correction<\/th>\r\n                    <\/tr>\r\n                <\/thead>\r\n                <tbody>\r\n                    <tr>\r\n                        <td>\r\n                            54\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            The second sentence under the &#8220;Factoring Quadratic Equations&#8221; Heading factors the equation incorrectly.\r\n                        <\/td>\r\n                        <td>\r\n                            It&#39;s not easy to look at x<sup>2<\/sup> + 3x &#8211; 10 and see that it equals (x &#8211; 5)(x + 2).\r\n                        <\/td>\r\n                        <td>\r\n                            It&#39;s not easy to look at x<sup>2<\/sup> + 3x &#8211; 10 and see that it equals (x + 5)(x &#8211; 2).\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            287\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            In the second sentence of the explanation for #6, the 2 in the expression should be an exponent.\r\n                        <\/td>\r\n                        <td>\r\n                            The radius of the circle is 10, so the area is <i>?<\/i>(10)2, which equals 100<i>?<\/i>.\r\n                        <\/td>\r\n                        <td>\r\n                            The radius of the circle is 10, so the area is <i>?<\/i>(10)<sup>2<\/sup>, which equals 100<i>?<\/i>.\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            300\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Drill Set 3, Drill 2, #5: Question refers to Triangle XYZ, but the picture depicts Triangle ABC.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            300\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Drill Set 3, Drill 2, #5: Question fails to mention that Triangle XYZ is a right triangle.\r\n                        <\/td>\r\n                        <td>\r\n                            Triangle XYZ and Rectangle JKLM have equal areas&#8230;\r\n                        <\/td>\r\n                        <td>\r\n                            Right Triangle XYZ and Rectangle JKLM have equal areas&#8230;\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            134\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Drill Set 2, Drill 4, #1: The prime factorization of 18 given in the explanation is incorrect. 18 = 2 \u00d7 3 \u00d7 3, NOT 2 \u00d7 2 \u00d7 3 \u00d7 3.\r\n                        <\/td>\r\n                        <td>\r\n                            18 = 2 \u00d7 2 \u00d7 3 \u00d7 3, so 18 contains two 2&#39;s and two 3&#39;s. x contains two 2&#39;s, but&#8230;\r\n                        <\/td>\r\n                        <td>\r\n                            18 = 2 \u00d7 3 \u00d7 3, so 18 contains one 2 and two 3&#39;s. x contains one 2, but&#8230;\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            315\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Explanation for Drill Set 3, Drill 2, #5: Question refers to Triangle XYZ, but the picture depicts Triangle ABC.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                    <\/tr>\r\n                <\/tbody>\r\n            <\/table>\r\n            <h2>4.1<\/h2>\r\n            <table class=\"table table-bordered table-striped\">\r\n                <thead>\r\n                    <tr>\r\n                        <th style=\"width: 15px\">\r\n                            Page\r\n                        <\/th>\r\n                        <th style=\"width: 15px\">\r\n                            Loc\r\n                        <\/th>\r\n                        <th style=\"width: 225px\">\r\n                            Description\r\n                        <\/th>\r\n                        <th style=\"width: 175px\">\r\n                            Erroneous Text\r\n                        <\/th>\r\n                        <th style=\"width: 180px\">\r\n                            Correction\r\n                        <\/th>\r\n                    <\/tr>\r\n                <\/thead>\r\n                <tbody>\r\n                    <tr>\r\n                        <td>\r\n                            67\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Set 2, Drill 4, #3. + should be &#8211;\r\n                        <\/td>\r\n                        <td>\r\n                            x<sup>3<\/sup> &#8211; 3x<sup>2<\/sup> + 28x = 0\r\n                        <\/td>\r\n                        <td>\r\n                            x<sup>3<\/sup> &#8211; 3x<sup>2<\/sup> &#8211; 28x = 0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            287\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            In the second sentence of the explanation for #6, the 2 in the expression should be an exponent.\r\n                        <\/td>\r\n                        <td>\r\n                            The radius of the circle is 10, so the area is <i>?<\/i>(10)2, which equals 100<i>?<\/i>.\r\n                        <\/td>\r\n                        <td>\r\n                            The radius of the circle is 10, so the area is <i>?<\/i>(10)<sup>2<\/sup>, which equals 100<i>?<\/i>.\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            134\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Drill Set 2, Drill 4, #1: The prime factorization of 18 given in the explanation is incorrect. 18 = 2 \u00d7 3 \u00d7 3, NOT 2 \u00d7 2 \u00d7 3 \u00d7 3.\r\n                        <\/td>\r\n                        <td>\r\n                            18 = 2 \u00d7 2 \u00d7 3 \u00d7 3, so 18 contains two 2&#39;s and two 3&#39;s. x contains two 2&#39;s, but&#8230;\r\n                        <\/td>\r\n                        <td>\r\n                            18 = 2 \u00d7 3 \u00d7 3, so 18 contains one 2 and two 3&#39;s. x contains one 2, but&#8230;\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            54\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            The second sentence under the &#8220;Factoring Quadratic Equations&#8221; Heading factors the equation incorrectly.\r\n                        <\/td>\r\n                        <td>\r\n                            It&#39;s not easy to look at x<sup>2<\/sup> + 3x &#8211; 10 and see that it equals (x &#8211; 5)(x + 2).\r\n                        <\/td>\r\n                        <td>\r\n                            It&#39;s not easy to look at x<sup>2<\/sup> + 3x &#8211; 10 and see that it equals (x + 5)(x &#8211; 2).\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            300\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Drill Set 3, Drill 2, #5: Question refers to Triangle XYZ, but the picture depicts Triangle ABC.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            315\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Explanation for Drill Set 3, Drill 2, #5: Question refers to Triangle XYZ, but the picture depicts Triangle ABC.\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            155\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Set 1, Drill 2, #9. The explanation incorrectly switches from z to x.\r\n                        <\/td>\r\n                        <td>\r\n                            x<sup>(5 + (-3) &#8211; (-8))<\/sup> = x<sup>10<\/sup>\r\n                        <\/td>\r\n                        <td>\r\n                            z<sup>(5 + (-3) &#8211; (-8))<\/sup> = z<sup>10<\/sup>\r\n                            <!--<\/td-->\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            256\r\n                        <\/td>\r\n                        <td>\r\n                            Top\r\n                        <\/td>\r\n                        <td>\r\n                            There is a typo in the second sentence at the top of the page.\r\n                        <\/td>\r\n                        <td>\r\n                            A right triangle is any triangle in which one of the angles is a right triangle.\r\n                        <\/td>\r\n                        <td>\r\n                            A right triangle is any triangle in which one of the angles is a right angle.\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            247\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Incorrect description of diameter in the text box.\r\n                        <\/td>\r\n                        <td>\r\n                            d = diameter the distance around a circle\r\n                        <\/td>\r\n                        <td>\r\n                            d = diameter the distance across a circle\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            300\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Drill Set 3, Drill 2, #5: Question fails to mention that Triangle XYZ is a right triangle.\r\n                        <\/td>\r\n                        <td>\r\n                            Triangle XYZ and Rectangle JKLM have equal areas&#8230;\r\n                        <\/td>\r\n                        <td>\r\n                            Right Triangle XYZ and Rectangle JKLM have equal areas&#8230;\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            67\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Set 2, Drill 4, #5. &#8211; 9x should be + 9x\r\n                        <\/td>\r\n                        <td>\r\n                            -3x<sup>3<\/sup> + 6x<sup>2<\/sup> &#8211; 9x = 0\r\n                        <\/td>\r\n                        <td>\r\n                            -3x<sup>3<\/sup> + 6x<sup>2<\/sup> + 9x = 0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            233\r\n                        <\/td>\r\n                        <td>\r\n                            Top\r\n                        <\/td>\r\n                        <td>\r\n                            Set 1, Drill 1, #1. x < 4 should be x > 4.\r\n                        <\/td>\r\n                        <td>\r\n                            x < 4\r\n                        <\/td>\r\n                        <td>\r\n                            x > 4\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            224\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            In the first paragraph after the chart, change divide to multiply.\r\n                        <\/td>\r\n                        <td>\r\n                            In each case, we begin with a true inequality statement: 5 < 7 and then divide by -1.\r\n                        <\/td>\r\n                        <td>\r\n                            In each case, we begin with a true inequality statement: 5 < 7 and then multiply by -1.\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            98\r\n                        <\/td>\r\n                        <td>\r\n                            Top\r\n                        <\/td>\r\n                        <td>\r\n                            In the top line, the M should be a C.\r\n                        <\/td>\r\n                        <td>\r\n                            Insert S &#8211; 14 for M in the second equation.\r\n                        <\/td>\r\n                        <td>\r\n                            Insert S &#8211; 14 for C in the second equation.\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            47\r\n                        <\/td>\r\n                        <td>\r\n                            Top\r\n                        <\/td>\r\n                        <td>\r\n                            Drill 1, question 4 does not match the answer explanation provided on page 48.\r\n                        <\/td>\r\n                        <td>\r\n                            13 \u00d7 6\r\n                        <\/td>\r\n                        <td>\r\n                            113 \u00d7 6\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            300\r\n                        <\/td>\r\n                        <td>\r\n                            Top\r\n                        <\/td>\r\n                        <td>\r\n                            Set 3, Drill 2, #3. Side AD has a length of 8.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            34\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Set 2, Drill 4, #8. Answer explanation on page 38 is incorrect. See below.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            129\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Set 1, Drill 2, #3. Prime factorization is incorrect. The upper left circle should contain a 2, not a 5.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            36\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Set 1 Drill 4 is mislabeled..\r\n                        <\/td>\r\n                        <td>\r\n                            <b>Set 1, Drill 5:<\/b>\r\n                        <\/td>\r\n                        <td>\r\n                            <b>Set 1, Drill 4:<\/b>\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            314\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Set 3, Drill 2, #3. Side AD has a length of 8.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            240\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Set 5, Drill 2, #5. The inequality below the number line incorrectly switches <= to <. Also, the circles on the number line should be filled in.\r\n                        <\/td>\r\n                        <td>\r\n                            -12 < x < 8\/3\r\n                        <\/td>\r\n                        <td>\r\n                            -12 <= x <= 8\/3\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            239\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Set 5, Drill 2, #2. The inequality below the number line is incorrect.\r\n                        <\/td>\r\n                        <td>\r\n                            -14 < x < 6\r\n                        <\/td>\r\n                        <td>\r\n                            x < -14 or x > 6\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            239\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Set 5, Drill 2, #2. The number line is incorrect. The circles should be blank, not filled.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            232\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Set 5, Drill 2, #2. Answer explanation on pg 239 incorrect. See error below.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            239\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Set 5, Drill 2, #3. The explanation incorrectly switches from < to <=.\r\n                        <\/td>\r\n                        <td>\r\n                            |x<sup>3<\/sup>| <= 64\r\n                            <br \/> + (x<sup>3<\/sup>) <= 64 \u00a0\u00a0\u00a0 or \u00a0\u00a0\u00a0 -(x<sup>3<\/sup>) <= 64\r\n                            <br \/> \u00a0\u00a0\u00a0 x<sup>3<\/sup> <= 64 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -x<sup>3<\/sup> <= 64\r\n                            <br \/> \u00a0\u00a0\u00a0 x <= 4 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 x<sup>3<\/sup> >= -64\r\n                            <br \/> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 x >= -4\r\n                        <\/td>\r\n                        <td>\r\n                            |x<sup>3<\/sup>| < 64\r\n                            <br \/> + (x<sup>3<\/sup>) < 64 \u00a0\u00a0\u00a0 or \u00a0\u00a0\u00a0 -(x<sup>3<\/sup>) < 64\r\n                            <br \/> \u00a0\u00a0\u00a0 x<sup>3<\/sup> < 64 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -x<sup>3<\/sup> < 64\r\n                            <br \/> \u00a0\u00a0\u00a0 x < 4 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 x<sup>3<\/sup> > -64\r\n                            <br \/> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 x > -4\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            123\r\n                        <\/td>\r\n                        <td>\r\n                            Top\r\n                        <\/td>\r\n                        <td>\r\n                            Question #12 on page 111 has been amended. Refer to the listing on page 111.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            74\r\n                        <\/td>\r\n                        <td>\r\n                            Top\r\n                        <\/td>\r\n                        <td>\r\n                            Set 2, Drill 4, #3. The first two lines of the explanation\r\n                        <\/td>\r\n                        <td>\r\n                            x<sup>3<\/sup> &#8211; 3x<sup>2<\/sup> + 28x = 0\r\n                            <br \/> x(x\r\n                            <sup>2<\/sup> &#8211; 3x + 28) = 0 -> x(x &#8211; 4)(x + 1) = 0\r\n                        <\/td>\r\n                        <td>\r\n                            x<sup>3<\/sup> &#8211; 3x<sup>2<\/sup> &#8211; 28x = 0\r\n                            <br \/> x(x\r\n                            <sup>2<\/sup> &#8211; 3x &#8211; 28) = 0 -> x(x &#8211; 7)(x + 4) = 0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            74\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Set 2, Drill 4, #5. The first two lines of the explanation\r\n                        <\/td>\r\n                        <td>\r\n                            -3x<sup>3<\/sup> + 6x<sup>2<\/sup> &#8211; 9x = 0\r\n                            <br \/> -3x(x\r\n                            <sup>2<\/sup> &#8211; 2x + 3) = 0 -> -3x(x &#8211; 3)(x + 1) = 0\r\n                        <\/td>\r\n                        <td>\r\n                            -3x<sup>3<\/sup> + 6x<sup>2<\/sup> + 9x = 0\r\n                            <br \/> -3x(x\r\n                            <sup>2<\/sup> &#8211; 2x &#8211; 3) = 0 -> -3x(x &#8211; 3)(x + 1) = 0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            130\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Set 1, Drill 4, #2. Ignore 3rd sentence.\r\n                        <\/td>\r\n                        <td>\r\n                            937,184 ends in 4, which means it&#39;s even. Therefore, it&#39;s divisible by 2. It&#39;s also divisible by 1 and. Prime numbers have only two factors&#8230;\r\n                        <\/td>\r\n                        <td>\r\n                            937,184 ends in 4, which means it&#39;s even. Therefore, it&#39;s divisible by 2. Prime numbers have only two factors&#8230;\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            38\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Set 2, Drill 4, #8. Introduces a negative sign into the second line of the explanation.\r\n                        <\/td>\r\n                        <td>\r\n                            10(-3x + 4) = 2(10 &#8211; 5x)\r\n                            <br \/> -30x + 40 = 20 &#8211; 10x\r\n                            <br \/> 40 = 20 + 20x\r\n                            <br \/> 20 = 20x\r\n                            <br \/> 1 = x\r\n                        <\/td>\r\n                        <td>\r\n                            10(3x + 4) = 2(10 &#8211; 5x)\r\n                            <br \/> 30x + 40 = 20 &#8211; 10x\r\n                            <br \/> 40x + 40 = 20\r\n                            <br \/> 40x = -20\r\n                            <br \/> x = -1\/2\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            131\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Set 1, Drill 6. 5 is prime and should be bolded.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            131\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Set 1, Drill 6. 27 is not prime.\r\n                        <\/td>\r\n                        <td>\r\n                            Prime numbers: 2, 3, 5, 7, 17, 27, 29, 31\r\n                        <\/td>\r\n                        <td>\r\n                            Prime numbers: 2, 3, 5, 7, 17, 29, 31\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            87\r\n                        <\/td>\r\n                        <td>\r\n                            Mid\r\n                        <\/td>\r\n                        <td>\r\n                            Set 2, Drill 5, #3. Eliminate last year.\r\n                        <\/td>\r\n                        <td>\r\n                            If Joanna&#39;s team won 10 games last year, how many games did Eleanor&#39;s team win?\r\n                        <\/td>\r\n                        <td>\r\n                            If Joanna&#39;s team won 10 games, how many games did Eleanor&#39;s team win?\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            92\r\n                        <\/td>\r\n                        <td>\r\n                            Top\r\n                        <\/td>\r\n                        <td>\r\n                            Set 2, Drill 2, #4. Change miles to kilometers.\r\n                        <\/td>\r\n                        <td>\r\n                            Answer: Ben ran 11 miles.\r\n                        <\/td>\r\n                        <td>\r\n                            Answer: Ben ran 11 kilometers.\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            71\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Set 2, Drill 2, #4. The answers are incorrect.\r\n                        <\/td>\r\n                        <td>\r\n                            Answer: <i>c<\/i> = -21 OR -3\r\n                        <\/td>\r\n                        <td>\r\n                            Answer: <i>c<\/i> = 21 OR 2\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            111\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            CYS #12. Change 240 to 120.\r\n                        <\/td>\r\n                        <td>\r\n                            12. Find the prime factorization of 240.\r\n                        <\/td>\r\n                        <td>\r\n                            12. Find the prime factorization of 120.\r\n                        <\/td>\r\n                    <\/tr>\r\n                    <tr>\r\n                        <td>\r\n                            38\r\n                        <\/td>\r\n                        <td>\r\n                            Bot\r\n                        <\/td>\r\n                        <td>\r\n                            Set 2, Drill 4, #8. Explanation needs to be replaced.\r\n                        <\/td>\r\n                        <td>\r\n                            \u00a0\r\n                        <\/td>\r\n                        <td>\r\n                            10(3x + 4) = 2(10 &#8211; 5x)\r\n                            <br \/> 30x + 40 = 20 &#8211; 10x\r\n                            <br \/> 40x + 40 = 20\r\n                            <br \/> 40x = -20\r\n                            <br \/> x = -1\/2\r\n                        <\/td>\r\n                    <\/tr>\r\n                <\/tbody>\r\n            <\/table>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Errata &#8211; Foundations of GMAT Math, 4th Edition Foundations of GMAT Math (Edition 4.1) Edition 4.2 Edition 4.1 Edition 4.0 Release Date: August, 2010 Differentiating Mark: Back Cover, Bottom Right Corner Release Date: December 1, 2009 Release Date: May 1, 2009 The Foundations of GMAT Math Strategy Supplement (326 pages) provides a refresher of the [&hellip;]<\/p>\n","protected":false},"author":111,"featured_media":0,"parent":9417,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"yst_prominent_words":[],"class_list":["post-9516","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.manhattanprep.com\/gmat\/wp-json\/wp\/v2\/pages\/9516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.manhattanprep.com\/gmat\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.manhattanprep.com\/gmat\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.manhattanprep.com\/gmat\/wp-json\/wp\/v2\/users\/111"}],"replies":[{"embeddable":true,"href":"https:\/\/www.manhattanprep.com\/gmat\/wp-json\/wp\/v2\/comments?post=9516"}],"version-history":[{"count":3,"href":"https:\/\/www.manhattanprep.com\/gmat\/wp-json\/wp\/v2\/pages\/9516\/revisions"}],"predecessor-version":[{"id":9655,"href":"https:\/\/www.manhattanprep.com\/gmat\/wp-json\/wp\/v2\/pages\/9516\/revisions\/9655"}],"up":[{"embeddable":true,"href":"https:\/\/www.manhattanprep.com\/gmat\/wp-json\/wp\/v2\/pages\/9417"}],"wp:attachment":[{"href":"https:\/\/www.manhattanprep.com\/gmat\/wp-json\/wp\/v2\/media?parent=9516"}],"wp:term":[{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/www.manhattanprep.com\/gmat\/wp-json\/wp\/v2\/yst_prominent_words?post=9516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}