(6.5, -2.5)
to find the mid point you add the coordinates and divide by 2
[tex]( \frac{x_1+x_2}{2} , \frac{y_1+y_2}{2})[/tex]
and your points plugged in yields
[tex]( \frac{8+5}{2}, \frac{-8+3}{2}) \\ \\ ( \frac{13}{2}, \frac{-5}{2}) \\ \\ (6.5, -2.5)[/tex]
