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