Question

The midpoint of the line segment from p1 to p2 is (-2,4). If p1 is (-6,6) what is p2

Answer 1

midpoint formula: (x1+x2)/2,(y1+y2)/2
For given problem:
P1=(-7,8)
P2=(x,y)
Midpoint=(-1,7)
..
(x-7)/2, (y+8)/2=(-1,7)
(x-7)/2=-1

hope it helps ;]