{"id":8205,"date":"2015-06-10T19:34:08","date_gmt":"2015-06-10T19:34:08","guid":{"rendered":"http:\/\/www.manhattanprep.com\/gre\/?page_id=8205"},"modified":"2015-06-16T18:28:02","modified_gmt":"2015-06-16T18:28:02","slug":"errata-np-2ed","status":"publish","type":"page","link":"https:\/\/www.manhattanprep.com\/gre\/errata\/errata-np-2ed\/","title":{"rendered":"Errata – Number Properties, 2nd Edition"},"content":{"rendered":"
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Errata – Number Properties, 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 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
36<\/td>\r\n Bottom<\/td>\r\n x divisibility check (graphics swapped)<\/td>\r\n 6 \u00f7 12 (etc.)<\/td>\r\n 6 \u00f7 3 (etc.) {as shown on p. 38}<\/td>\r\n <\/tr>\r\n
38<\/td>\r\n Middle<\/td>\r\n x divisibility check (graphics swapped)<\/td>\r\n 6 \u00f7 3 (etc.)<\/td>\r\n 6 \u00f7 12 (etc.) {as shown on p. 36}<\/td>\r\n <\/tr>\r\n
52<\/td>\r\n Top<\/td>\r\n #14 accuracy of math language<\/td>\r\n If a<\/em>\/b<\/em> has a remainder of 4,<\/td>\r\n If a<\/em> has a remainder of 4 when divided by b<\/em>,<\/td>\r\n <\/tr>\r\n
61<\/td>\r\n Top<\/td>\r\n The Sum of Two Primes example, Choice [A]<\/td>\r\n b<\/em> is an even number<\/td>\r\n ab<\/em> is an even number<\/td>\r\n <\/tr>\r\n
62<\/td>\r\n Middle<\/td>\r\n #6<\/td>\r\n If x<\/em>\/y<\/em> is even,<\/td>\r\n If x<\/em> and y<\/em> are integers and x\/y is even,<\/td>\r\n <\/tr>\r\n
62<\/td>\r\n Middle<\/td>\r\n #7<\/td>\r\n If xyz<\/em> is even,<\/td>\r\n x<\/em>, y<\/em>, and z<\/em> are integers.\u00a0 If xyz<\/em> is even,<\/td>\r\n <\/tr>\r\n
68<\/td>\r\n Middle<\/td>\r\n #17 explanation for Quantity A neglects to divide by 4 before checking the tenths digit.<\/td>\r\n …by 4. The tenths digit will always have a zero in it (ie. 4.0, 8.0, 12.0).<\/td>\r\n …by 4, and the integer that results after dividing by 4 will always have a zero as the tenths digit (i.e. 4\/4 = 1.0<\/strong>, 8\/4 = 2.0<\/strong>, 12\/4 = 3.0<\/strong>).<\/td>\r\n <\/tr>\r\n
95<\/td>\r\n Top<\/td>\r\n #4 explanation<\/td>\r\n x can be 0 or 1.<\/td>\r\n x can be 0, -1, or 1.<\/td>\r\n <\/tr>\r\n
95<\/td>\r\n Top<\/td>\r\n #4 explanation<\/td>\r\n If x = 1, our second equation…<\/td>\r\n If x = -1 or 1, our second equation…<\/td>\r\n <\/tr>\r\n
95<\/td>\r\n Top<\/td>\r\n #4 explanation<\/td>\r\n …so x = 1.<\/td>\r\n …so x = 1 or -1.<\/td>\r\n <\/tr>\r\n
105<\/td>\r\n Top<\/td>\r\n Factoring example: sqrt(360)<\/td>\r\n sqrt(2 \u00d7 2) \u00d7 sqrt(3 \u00d7 3) –> sqrt(2 \u00d7 5)<\/td>\r\n sqrt(2 \u00d7 2) \u00d7 sqrt(3 \u00d7 3) \u00d7 sqrt(2 \u00d7 5)<\/td>\r\n <\/tr>\r\n
149<\/td>\r\n Bottom<\/td>\r\n Set 1, Drill 6.\u00a0 27 is not prime<\/td>\r\n Prime numbers:<\/strong> 2, 3, 5, 7, 17, 27, 29, 31<\/td>\r\n Prime numbers:<\/strong> 2, 3, 5, 7, 17, 29, 31<\/td>\r\n <\/tr>\r\n
149<\/td>\r\n Bottom<\/td>\r\n Set 1, Drill 6.\u00a0 27 is not prime<\/td>\r\n {omission between 21 and 33}<\/td>\r\n {insert} 27 (digits add to 9),<\/td>\r\n <\/tr>\r\n
149<\/td>\r\n Bottom<\/td>\r\n Set 1, Drill 6.\u00a0 27 is not prime<\/td>\r\n Again, all 5 numbers are divisibile by 3.<\/td>\r\n Again, all 6 numbers are divisibile by 3.<\/td>\r\n <\/tr>\r\n
170<\/td>\r\n Middle<\/td>\r\n #9 solution assumes that x<\/em> is an integer, but the question doesn’t specify. (If x<\/em> could be a non-integer, the answer would be 204 instead of 256.)<\/td>\r\n …greater than 50, then what is the smallest possible value for x<\/em>2<\/sup>?<\/td>\r\n …greater than 50 and x<\/em> is a positive integer, then what is the smallest possible value for x<\/em>2<\/sup>?<\/td>\r\n <\/tr>\r\n
177<\/td>\r\n Middle<\/td>\r\n #6<\/td>\r\n …splitting 81 + 169 into sqrt(81 + 169 is incorrect<\/em><\/u>,<\/td>\r\n …splitting sqrt(81 + 169) into sqrt(81) + sqrt(169) is incorrect<\/em><\/u>,<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"

Errata – Number Properties, 2nd Edition Cover for 2nd Edition 2.0 Page Location Description Erroneous Text Correction 36 Bottom x divisibility check (graphics swapped) 6 \u00f7 12 (etc.) 6 \u00f7 3 (etc.) {as shown on p. 38} 38 Middle x divisibility check (graphics swapped) 6 \u00f7 3 (etc.) 6 \u00f7 12 (etc.) {as shown on […]<\/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-8205","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/pages\/8205","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=8205"}],"version-history":[{"count":4,"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/pages\/8205\/revisions"}],"predecessor-version":[{"id":8363,"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/pages\/8205\/revisions\/8363"}],"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=8205"}],"wp:term":[{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/www.manhattanprep.com\/gre\/wp-json\/wp\/v2\/yst_prominent_words?post=8205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}