Question

the midpoint of AB is point P at (-16,6) if point A is at (-10,8) what are the coordinates of point B?

Answer 1

Answer:

Denote B(x, y), we have:

-10 + x = 2 x (-16) => x = -22

  8 + y = 2 x 6 => y = 4

=> B(-22, 4)

Hope this helps!

:)