If the midpoint between (18, y) and (20, -15) is (19, -5), find the value of y.

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If the midpoint between (18, y) and (20, -15) is (19, -5), find the value of y.

Ther y-ordinate of the mid-point is given by (y + (-5))/2.

Therefore (y + (-5))/2 = -15  (The mid-point is (20, -15))

y - 5 = -30

y = -25

by Level 11 User (81.5k points)

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