Question

The midpoint of AB is M(-2, 2). If the coordinates of A are (-8, -1), what are

the coordinates of B?

Answer 1

(4, 5)

Explanation:

Let the coordinates of B be (x,y).

`(-8+x)/(2)=-2 \implies x=4 \\ \\ (-1+y)/(2)=2 \implies y=5 \\ \\ \therefore B=(4, 5)`