Answer:
(10, -2)
Step-by-step explanation:
Midpoint Formula is:
m = (((x1+x2)/2) , ((y1+y2)/2))
m= (((5+15)/2) , ((-3+-1)/2))
m= ((20/2) , (-4 / 2))
m= (10) , (-2)
m= (10, -2)
[tex]\text{Find the midpoint by using the midpoint formula:}\\\\(\frac{x1+x2}{2},\frac{y1+y2}{2})\\\\\text{Plug in your coordinates and solve:}\\\\(\frac{5+15}{2},\frac{-3-1}{2})\\\\(\frac{20}{2},\frac{-4}{2})\\\\(10,-2)\\\\\boxed{\text{Midpoint: (10,-2)}}[/tex]