2015年6月GMAT數學機經2

　　2015年6月已過半，網GMAT測驗頻道小編為考生匯集整頓了6月份GMAT測驗數學部門的機經，供眾人進修參考，望有所贊助!

　　11. If the function f(x) = x^2 + px + 9 has thesolution x1 and x2, what is the value of p^2?

　　(1) x1 = x2

　　(2) x1 + x2 = --6

　　12 .What is the remainder when 15n is divided by 6?

　　(1) n is an even integer.

　　(2) n is divisible by 3.

　　13 .Which of the following cannot be the number ofdiagonals of a polygon?

　　A. 5

　　B. 6

　　C. 9

　　D. 14

　　E. 20

　　14 .In a set of ten integers, if first five integers are added x, respectively, and if the rest integersare added y, respectively, what is the difference of the average of before and after addition?

　　(1) x + y = 5.

　　(2) x – y = 7.

　　15 .The function f(x) = x^2 + 1. If hw is not 0, is f(w – h)/h > f(w + h)/h?

　　(1) 0 < h<1<>

　　(2) w < 0

　　16. Is |x – y| > |x – z|?

　　(1) |y| > |z|

　　(2) x < 0

　　17 .In a set of 400 integers, is the sum of themgreater than 0.1?

　　(1) The greatest one is less than 0.0002.

　　(2) The sum of greatest 50 integers is 0.01.

　　18. If points (a,b) and (c,d) are on line k, is the slopeof line k positive?

　　(1) a < c, and b < d.

　　(2) The product of x--‐intercept and y--‐intercept is negative.

　　19. If 3^x – 3^(x – 3) = 26/3^9, what is the value of x

　　A. 6

　　B. --6

　　C. 9

　　D. --9

　　E. 13

　　20. If x and y are integers, what is the value of (x + y)^2?

　　(1) x = y – 3

　　(2) x and y are prime numbers.

　　【參考謎底】

　　11-15. D ABAB

　　16-20. EDDBC

　　以上是本日小編為考生整頓的6月份GMAT測驗數學機經，僅供參考。欲懂得更多GMAT測驗資訊，獲得更多GMAT測驗備考材料，敬請存眷GMAT測驗頻道。網預祝考生2015年GMAT測驗獲得好成就!