# How do you find the midpoint of the line segment joining (-12,-9) (2,10)?

Midpoint $M \left(- 5 , \frac{1}{2}\right)$
$x = \frac{{x}_{1} + {x}_{2}}{2} = \frac{- 12 + 2}{2} = - 5$
$y = \frac{{y}_{1} + {y}_{2}}{2} = \frac{- 9 + 10}{2} = \frac{1}{2}$