SAT Math Multiple Choice Practice Question 465: Answer and Explanation
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Question: 465
6. In the coordinate plane, what is the midpoint of the line segment with endpoints at (3, 4) and (0, 0) ?
A. (1.5, 2)
B. (5, 0)
C. (2.5, 0)
D. (3.5, 3.5)
E. (1.75, 1.75)
Correct Answer: A
Explanation:
A Use the midpoint formula 
: Take the average of the x-coordinates of the two points to get the x-coordinate of the midpoint, and do the same for the y-coordinates. The midpoint between (3, 4) and (0, 0) is therefore 
= (1.5, 2).