Find the other endpoint of the line segment with the given endpoint and midpoint. Endpoint 1: (−10,7) Midpoint: (−7,−3)

Answer 1

If the line segment is defined by (x₁,y₁) and (x₂,y₂), the midpoint will be

([.5(x₁+x₂),.5(y₁+y₂)].

With that information you should be able to answer the question.