Answer
See below
Work Step by Step
Find the midpoint of the line segment
$M_1=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})=(\frac{x_1+0}{2},\frac{y_1+0}{2})=(\frac{x_1}{2},\frac{y_1}{2})\\M_2=(\frac{x_1+x_2}{2},\frac{y_1+0}{2})=(\frac{x_1+x_2}{2},\frac{y_1}{2})$