{"id":8197,"date":"2015-06-10T19:33:48","date_gmt":"2015-06-10T19:33:48","guid":{"rendered":"http:\/\/www.manhattanprep.com\/gre\/?page_id=8197"},"modified":"2015-06-16T18:27:35","modified_gmt":"2015-06-16T18:27:35","slug":"errata-algebra-2ed","status":"publish","type":"page","link":"https:\/\/www.manhattanprep.com\/gre\/errata\/errata-algebra-2ed\/","title":{"rendered":"Errata – Algebra, 2nd Edition"},"content":{"rendered":"
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Errata – Algebra, 2nd Edition<\/h2>\r\n <\/div>\r\n <\/div>\r\n<\/div>\r\n\r\n
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Cover for 2nd Edition<\/p>\r\n

\r\n 2.0<\/h2>\r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n
\r\n Page<\/th>\r\n \r\n Location<\/th>\r\n \r\n Description<\/th>\r\n \r\n Erroneous Text<\/th>\r\n \r\n Correction<\/th>\r\n <\/tr>\r\n <\/thead>\r\n
34<\/td>\r\n Bottom<\/td>\r\n Subtraction result (last line)<\/td>\r\n \u00a0= 12<\/td>\r\n \u00a04 squareroot[(x<\/em> \u2013 6)] = 12<\/td>\r\n <\/tr>\r\n
42<\/td>\r\n Top<\/td>\r\n #8, first line of solution, right of : sign.\u00a0 Subsequent calculations are correct.<\/td>\r\n [11 – 3(x + 4)] \/ (x – 3) = 7<\/td>\r\n [11 + 3(x<\/em> + 4)] \/ (x<\/em> – 3) = 7<\/td>\r\n <\/tr>\r\n
56<\/td>\r\n Middle<\/td>\r\n Factoring of x<\/em>2<\/sup> + 3x<\/em> \u2013 10<\/td>\r\n (x<\/em> \u2013 5)(x<\/em> + 2)<\/td>\r\n (x<\/em> + 5)(x<\/em> \u2013 2)<\/td>\r\n <\/tr>\r\n
58<\/td>\r\n Bottom<\/td>\r\n logic\/correctness<\/td>\r\n our solutions are NEGATIVE 3 and NEGATIVE 4<\/td>\r\n our solutions are NEGATIVE 3 or NEGATIVE 4<\/td>\r\n <\/tr>\r\n
73<\/td>\r\n Middle<\/td>\r\n #7<\/td>\r\n the height, H<\/em>,<\/td>\r\n the height in meters, H<\/em>,<\/td>\r\n <\/tr>\r\n
73<\/td>\r\n Middle<\/td>\r\n #7<\/td>\r\n (how fast Hugo throws it when it leaves his hand)<\/td>\r\n (how fast, in meters per second, Hugo throws it as it leaves his hand)<\/td>\r\n <\/tr>\r\n
73<\/td>\r\n Middle<\/td>\r\n #7<\/td>\r\n time it takes to hit the ground.<\/td>\r\n time it takes to hit the ground, in seconds.<\/td>\r\n <\/tr>\r\n
76<\/td>\r\n Top<\/td>\r\n #8, “L” computation<\/td>\r\n Squareroot7 \u00d7 Squareroot7 = -7<\/td>\r\n -Squareroot7 \u00d7 Squareroot7 = -7<\/td>\r\n <\/tr>\r\n
91<\/td>\r\n Bottom<\/td>\r\n Grammar<\/td>\r\n only scenarios which produce positive products.<\/td>\r\n only scenarios that produce positive products.<\/td>\r\n <\/tr>\r\n
97<\/td>\r\n Top<\/td>\r\n #27 explanation<\/td>\r\n a<\/em> can be positive or negative,<\/td>\r\n a<\/em> can be positive, zero, or negative,<\/td>\r\n <\/tr>\r\n
97<\/td>\r\n Top<\/td>\r\n #27 explanation<\/td>\r\n so ab<\/em> can be positive and negative.<\/td>\r\n so ab<\/em> can be positive, zero, or negative.<\/td>\r\n <\/tr>\r\n
120<\/td>\r\n Middle<\/td>\r\n #11 explanation<\/td>\r\n S<\/em>2<\/sub> = (10.5 + S<\/em>2<\/sub>)\/2<\/td>\r\n S<\/em>3<\/sub> = (10.5 + S<\/em>2<\/sub>)\/2<\/td>\r\n <\/tr>\r\n
140<\/td>\r\n Top<\/td>\r\n #4 answer<\/td>\r\n j<\/em> = 0 OR\u00a0k<\/em> = 4<\/strong><\/td>\r\n j<\/em> = 0 AND\/OR k<\/em> = 4<\/strong><\/td>\r\n <\/tr>\r\n
140<\/td>\r\n Top<\/td>\r\n #5 answer<\/td>\r\n x<\/em> = 0 OR y<\/em> = 0 OR x<\/em> = -2<\/strong><\/td>\r\n (x<\/em> = 0 OR -2) AND\/OR y<\/em> = 0<\/strong><\/td>\r\n <\/tr>\r\n
159<\/td>\r\n Middle<\/td>\r\n #15 (resulting quadratic is not easily factored with printed numbers)<\/td>\r\n Administrative law: 16%<\/td>\r\n Administrative law: 15%<\/td>\r\n <\/tr>\r\n
165<\/td>\r\n Top<\/td>\r\n Inaccurate language: colloquial use of “difference” vs. mathematical definition of “difference.”<\/td>\r\n Thus, x<\/em> \u2013 y<\/em> is the difference between Quantity A and Quantity B<\/td>\r\n Divide both Quantities by (x<\/em> + y<\/em>) to cancel that common positive factor. Now compare Quantity A: (x<\/em> \u2013 y<\/em>) to Quantity B: 1.<\/td>\r\n <\/tr>\r\n
169<\/td>\r\n Bottom<\/td>\r\n Last sentence<\/td>\r\n solving first for y<\/em> and then using that value to find x<\/em> and z<\/em>.<\/td>\r\n solving first for x<\/em> and then using that value to find y<\/em> and z<\/em>.<\/td>\r\n <\/tr>\r\n
176<\/td>\r\n Top<\/td>\r\n #15 explanation<\/td>\r\n 21 + x<\/em>2<\/sup> + (x<\/em> + 1) + 16 + 22 + 17 + x<\/em> = 100<\/td>\r\n 21 + x<\/em>2<\/sup> + (x<\/em> + 1) + 15 + 22 + 17 + x<\/em> = 100<\/td>\r\n <\/tr>\r\n
177<\/td>\r\n Middle<\/td>\r\n #19 explanation of Choice D<\/td>\r\n (7 is larger than 2)<\/td>\r\n (7 is larger than 4)<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"

Errata – Algebra, 2nd Edition Cover for 2nd Edition 2.0 Page Location Description Erroneous Text Correction 34 Bottom Subtraction result (last line) \u00a0= 12 \u00a04 squareroot[(x \u2013 6)] = 12 42 Top #8, first line of solution, right of : sign.\u00a0 Subsequent calculations are correct. [11 – 3(x + 4)] \/ (x – 3) = […]<\/p>\n","protected":false},"author":111,"featured_media":0,"parent":8123,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"yst_prominent_words":[],"class_list":["post-8197","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/pages\/8197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/users\/111"}],"replies":[{"embeddable":true,"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/comments?post=8197"}],"version-history":[{"count":3,"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/pages\/8197\/revisions"}],"predecessor-version":[{"id":8334,"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/pages\/8197\/revisions\/8334"}],"up":[{"embeddable":true,"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/pages\/8123"}],"wp:attachment":[{"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/media?parent=8197"}],"wp:term":[{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/yst_prominent_words?post=8197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}