Answer:
M = (1.5, 2.5 )
Explanation:
Given endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is
[
(x₁ + x₂ ),
(y₁ + y₂ ) ]
Here (x₁, y₁ ) = C(4, 6) and (x₂, y₂ ) = D(- 1, - 1) , thus
midpoint = [
(4 - 1) ,
(6 - 1 ) ] = (0.5(3), 0.5(5) ) = (1.5, 2.5 )