Midpoint Formula

(4,5)

(4,3)

(3,4)

(5,4)

 $\left(-1,-2\right)$  

 $\left(2,7\right)$  

 $\left(-2,-7\right)$  

 $\left(1,2\right)$  

(-3,6)

(6,-3)

(4,4)

none

$\left(-\frac{\text{3}}{2},-\frac{1}{2}\right)$

$\left(\frac{3}{2},\frac{1}{2}\right)$

$\left(7.5,7.5\right)$

$\left(-2,-1\right)$

 $\left(2,-\frac{11}{2}\right)$  

 $\left(5,-\frac{3}{2}\right)$  

 $\left(-\frac{11}{2},-2\right)$  

 $\left(-\frac{3}{2},5\right)$  

 $\left(\frac{9}{2},\frac{5}{2}\right)$  

 $\left(\frac{5}{2},\frac{9}{2}\right)$  

 $\left(\frac{17}{2},-\frac{3}{2}\right)$  

 $\left(-\frac{5}{2},\frac{17}{2}\right)$