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gre数学考试关于代数的重点试题

发布时间：2016-03-01 编辑：查字典英语网小编

　　考生如果觉得复习gre数学考试比较难不妨从这些题目练习开始，每篇都是按照分类给大家列举了一些典型题目，本篇主要是针对gre数学考试代数方面的典型题目及答案。

　　1.On a certain number line, if-7 is a distance 4 from n and 7 is a distance of 18 from n then n=

　　A.25

　　B.11

　　C.3

　　D.-3

　　E.-11

　　答案：E

　　2. Which of the following equations can be used to find the value of x if 7 less than 5x is 5 more the product of 3 and x?

　　A.5x-7=5+3x

　　B.5x-7=5+

　　C.7-5x=5+3x

　　D.7-5x=x

　　E.7-5x+5=3x

　　答案：A

　　3.On a number line, the distance between the two points with coordinates -5 and 1 is how much less than the distance between the two points with coordinates 2 and 14?

　　A.6

　　B.8

　　C.10

　　D.12

　　E.16

　　答案：A

　　4.The expression is equivalent to which of the following?

　　2x-3　　

　　2x2-12

　　A. only

　　B. only

　　C. only

　　D. and only

　　E. , and

　　答案;A

　　5.On the number line, 1.4 is halfway between which of the following pairs of numbers?

　　A.-1.4 and 2.4

　　B.-1 and 2

　　C.-0.3 and 3.1

　　D.0.15 and 1.55

　　E.0.4 and 1

　　答案：C

　　6.If the sum r+s is 2 less than the difference r-s, then s=

　　A.-2

　　B.-1

　　C.0

　　D.1

　　E.2

　　答案：B

　　7.The value of y will decrease as the value of x increases in which of the following equations?

　　A.y=x

　　B.y=x-2

　　C.2-y=3-x

　　D.2x-y=4

　　E.x+2y=1

　　答案：E

　　8.What is the cost, in cents, of using a certain fax machine to send n pages of a report if the total cost for sending the first k pages is r cents and the cost for sending each additional page is s cents?

　　A.r+s

　　B.r+s

　　C.rs

　　D.kr+s

　　E.kr+ns

　　答案：A

　　每到题目都是关于gre数学考试的典型题目，考生可以根据题目来复习知识点，这样更有针对性。

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