## Geometry: Common Core (15th Edition)

use the distance formula $d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ substitute $d=\sqrt{(6-(-1))^2+(2-(-1))^2}$ simplify in parentheses $d=\sqrt{(7)^2+(3)^2}$ $d=\sqrt{49+9}$ $d=\sqrt{58}$ $d=7.6$