Respuesta :

midpoint formula : (x1 + x2)/2, (y1 = y2)/2
(-4,4)...x1 = -4 and y1 = 4
(5,-1)...x2 = 5 and y2 = -1
now we sub
m = (-4 + 5) / 2, (4 - 1)/2
m = (1/2,3/2) <=== or could be (0.5,1.5)