Find the other endpoint of the line segment with the given endpoint and midpoint. - Show Work

Question

Endpoint: (10, -4), midpoint: (5,9)

Answer 1

I'll set up the problems once again, and you can solve for b:

x-coordinate:

(10 + b) / 2 = 5

 

y-coordinate:

(-4 + b) / 2 = 9