Question

The midpoint of GH is M(4, -5). One endpoint is G(1, 2). Find the coordinates of endpoint H(x, y).

Answer 1

Answer:

(4,-5)=(1+X/2,2+y/2)

4=1+X/2,-5=2+y/2

8=1+X,-10=2+y

8-1=X,-10-2=y

7=X,-12=y

(7,-12)