## Geometry: Common Core (15th Edition)

Let $K(-9,8)$ be $(x_1,y_1)$. Let $L(-6,0)$ be $(x_2,y_2)$. Use the distance formula. $d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ $d=\sqrt{(-6-(-9))^2+(0-8)^2}$ $d=\sqrt{(3)^2+(-8)^2}$ $d=\sqrt{9+64}$ $d=\sqrt{73}$ $d\approx8.5$