SAT数学备考练习
Read the following SAT test question, then click on a button to select your answer.
If (t – 2)2 = 0, what is the value of (t + 3)(t + 6)?
A.40
B.18
C.9
D.4
E.It cannot be determined from the information given.
Correct Answer: A
Here"s Why:
Since (t – 2)2 = (t – 2)(t – 2) = 0, it follows that t – 2 = 0, and so t = 2. Therefore, (t + 3)(t + 6) = (2 + 3)(2 + 6) = (5)(8) = 40.
Difficulty: Medium
Question Type: Standard Multiple Choice
