考试类型: Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
If , then
A. a/4
B. a/2
C. a
D. 2a
E. 4a
正确答案:C
解析:
You are given that . Dividing both sides of the equation by 2 gives . Thus, the answer is a.