6道SAT数学练习题及解析

2022-06-03 14:32:49

  下面是6道

  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。

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