Answer:
[tex]\bold{M_{AB}\left(\frac12\,,\ 1\right)}[/tex]
Step-by-step explanation:
The midpoint of AB coordinates are: [tex]M_{AB}\left(x_M\,,\ y_M\right)[/tex] where:
[tex]x_M=\frac{x_A+x_B}2=\frac{-1+2}2=\frac12\\\\y_M=\frac{y_A+y_B}2=\frac{5+(-3)}2=\frac{2}2=1[/tex]
