sat数学真题及答案解析（11）

很多学生们在备考SAT数学是都会选着刷题来提升自己，那么如何正确的刷题呢?今天上海新航道SAT培训班为大家准备了sat数学真题及解析，赶紧做起来吧!

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

A. 75

B. 25

C. 0

D. -25

E. -75

( √2 - √3 )2 =

A. 5 - 2√6

B. 5 - √6

C. 1 - 2√6

D. 1 - √2

E. 1

230 + 230 + 230 + 230 =

A. 8120

B. 830

C. 232

D. 230

E. 226

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

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