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SAT数学练习题六(附答案)

2023-08-08 14:08:01 来源:网络 分享到:

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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

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