Answer:
(1.5, - 2.5 )
Explanation:
Using the midpoint formula
[ 0.5(x₁ + x₂ ), 0.5(y₁ + y₂ )
with (x₁, y₁ ) = (- 1, - 4) and (x₂, y₂ ) = (4, - 1) ← coordinates of endpoints
midpoint = [ 0.5(- 1 + 4), 0.5(- 4 - 1) ] = [ 0.5(3), 0.5(- 5) ] = (1.5, - 2.5 )