Question

Endpoint: (-5,4)
Midpoint: (-10,-6)

What's the other endpoint?

Answer 1

( -15, -16 )

Explanation:

Plug in the given endpoint into the midpoint formula setting each equation equal to the corresponding midpoint.

`(-5+x)/(2)=-10\\-5+x=-20\\x=-15\\\\(4+y)/(2)=-6\\4+y=-12\\y=-16`