Question

Find the midpoint
(-6,6) and (-3,-9)

Answer 1

Midpoint is the middle and middle is the average.

(-6,6) and (-3,-9)
Average of the x's?
(-6 + -3)/2 = -9/2

Average of the y's?
(6 + -9)/2 = -3/2

Midpoint is (-9/2, -3/2).

Answer 2

(x1 + x2)/2, (y1 +y2)/2