## Precalculus (6th Edition) Blitzer

$\approx 5.66$ units
Use the distance formula $d=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}$ to obtain: $d=\sqrt{(0-4)^2+(-3-1)^2} \\d=\sqrt{(-4)^2+(-4)^2} \\d=\sqrt{16+16} \\d=\sqrt{32} \\d \approx 5.66$