## Geometry: Common Core (15th Edition)

Use the midpoint formula: $M_x=\frac{x_1+x_2}{2}=\frac{14+4}{2}=\frac{18}{2}=9$ $M_y=\frac{y_1+y_2}{2}=\frac{12+(-8)}{2}=\frac{4}{2}=2$ $M(9,2)$