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大华雅思
大华雅思
SAT1官网每日一题之数学篇(八)
sat考试官方网站每日一题小结,以下是SAT1数学部分。
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
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