Question

M(6.–8) is the midpoint of AB. The coordinates of point A are (1.–3).

What are the coordinates of B? Write your answer as an ordered pair in the form (x,y).

Answer 1

(11, -13)

Explanation:

(1 + x)/2 = 6

1 + x = 12

x = 11

(-3 + y)/2 = -8

-3 + y = -16

y = -13