Question

Suppose A is (-2,4) and M is (3,1) and M is the Midpoint of AB, find the coordinates of AB

Answer 1

(8, -2)

Use midpoint formula
(x1+x2)/2 , (y1+y2)/2

(-2+x)/2=3
-2+x=6
x=8

(4+y)/2=1
4+y=2
y=-2