Answer
$m= -\frac95$
Work Step by Step
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)} = -\frac95 $
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Appendix B - Coordinate Geometry and Lines - B Exercises - Page A15: 8
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