Question 1069588
Find the midpoint of the line segment joining the points P1 and P2.
P1 = (-1, 6); P2 = (-5, 3)
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It's the average of x & y separately.
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x:  (-1-5)/2 = -3
y:  (6 + 3)/2 = 9/2
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MP is (-3,9/2)