## Calculus: Early Transcendentals 8th Edition

$-\frac{9}{5}$
Find the slope ($m$) of the line through $P$ and $Q$. $P(-1,6)$ $Q(4,-3)$ $m = \frac{y_2 -y_1}{x_2 - x_1}$ $m = \frac{-3-6}{4-(-1)} = -\frac{9}{5}$