SAT数学鉴赏

【紫铭留学网 - SAT】
下面是6道SAT数学练习题的内容，都是关于代数方面的。这些SAT 数学题相对比较简单，可能很多考生运用一些技巧，心算就可以得出结论。但是我们可以通过这些SAT数学练习题了解SAT数学考试的出题形式，这才是做题最重要的目的。

　　1. If 3x – 5 = 16, then x =

　　A. –7

　　B. 11/3

　　C. 4

　　D. 7

　　E. 18

　　2. If (x+4)/x =9/7, what is the value of x?

　　A. 3.5

　　B. 7

　　C. 14

　　D. 21

　　E. 35

　　3. At a flooring center, you can purchase carpet in one of five styles and in one of 10 colors. How many different style-color combinations are possible at this flooring center?

　　A. 15

　　B. 36

　　C. 40

　　D. 45

　　E. 50

　　4. In the xy-plane, a circle has its center at point C (0, 0) and contains the point P (–3, 4). Under the translation that moves point C to (–2, 3), where will point P be located after this translation?

　　A. (–1, 1)

　　B. (1, –1)

　　C. (–3, 2)

　　D. (–4, 5)

　　E. (–5, 7)

　　5. If f (x)=(2- x)2^ /x+3/5 , what is the value of f(5)?

　　A. 0

　　B. 1.2

　　C. 2.4

　　D. 3.6

　　E. 4

　　6. An employee had to take a pay cut of 20%. A while later, she received a pay raise of 25%. Her new salary after the pay raise was what percent of her salary before the pay cut?

　　A. 45%

　　B. 55%

　　C. 80%

　　D. 95%

　　E. 100%

　　Answers：1. D　　2. C　　3. E　　4. E　　5. C　　6. E

　　以上就是这6道SAT 数学练习题的全部内容，后面附有简要的答案，大家在做完这些题目之后可以对照着检查一下对错。大家在备考SAT数学考试的时候，可以根据自己的实际情况，通过做题然后再更加有针对性的复习相关知识点，这样会更加有效率。SAT