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JAMB Mathematics 2013 Objective — Question 31

Question 31 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2013 Objective paper, with the correct answer and a full explanation.

If the midpoint of the line PQ is (2,3) and the point P is (−2,1), find the coordinate of Q.

A. A. (8,6)
B. B. (5,6)
C. C. (0,4)
D. D. (6,5)Correct

Explanation

Midpoint: (−2+x)/2=2 → x=6; (1+y)/2=3 → y=5; Q=(6,5).

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