Answer:
M(-6, 4)
Step-by-step explanation:
The formula of a midpoint of (x₁, y₁) and (x₂, y₂):
[tex]M\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)[/tex]
We have two points (-3, 7) and (-9, 1).
Substitute:
[tex]x=\dfrac{-3+(-9)}{2}=\dfrac{-12}{2}=-6\\\\y=\dfrac{7+1}{2}=\dfrac{8}{2}=4[/tex]
