SAT数学经典试题及答案解析

2022-05-29 11:20:37

  对国内SAT考生而言,

  1. If f(x) = │(x² – 50)│, what is the value of f(-5) ?

  A. 75 B. 25 C. 0 D. -25 E. -75

  2. ( √2 - √3 )² =

  A. 5 - 2√6 B. 5 - √6 C. 1 - 2√6 D. 1 - √2 E. 1

  3. 230 + 230 + 230 + 230 =

  A. 8120 B. 830 C. 232 D. 230 E. 226

  4. Amy has to visit towns B and C in any order. The roads connecting these towns with her home are shown on the diagram. How many different routes can she take starting from A and returning to A, going through both B and C (but not more than once through each) and not travelling any road twice on the same trip?

  A. 10 B. 8 C. 6 D. 4 E. 2

  5. In the figure above AD = 4, AB = 3 and CD = 9. What is the area of triangle AEC ?

  A. 18 B. 13.5 C. 9 D. 4.5 E. 3

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