Question

The midpoint of AB is M(-3, 5). If the coordinates of A are (-4, 6), what are the

coordinates of B?

Answer 1

(-2, 4)

Explanation:

Midpoints

x = (x1 + x2)/2

y = (y1 + y2)/2

so

-3 = (-4 + x2)/2

x2 - 4 = -6

x2 = -2

5 = (6 + y2)/2

y2 + 6 = 10

y2 = 4