SAT Math Multiple Choice Practice Question 282: Answer and Explanation

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Question: 282

18.

Which of the following represents the distance from the midpoint of to the midpoint of on the number line above?

A.
B.
C.
D.
E. 4x

Correct Answer: C

Explanation:

C Believe it or not, you don't need to find the two midpoints in order to answer this question. You need to know only that the distance between the two mid-points is half of the distance between the two endpoints. The distance between the endpoints is . Half of this is .

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