Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Appendix B - Coordinate Geometry and Lines - B Exercises - Page A15: 9


$m = -\frac92$

Work Step by Step

Find the slope ($m$) of the line through $P$ and $Q$. $P(-3,3)$ $Q(-1,−6)$ $m=\frac{y_2−y_1}{x_2−x_1}$ $m=\frac{-6-3}{-1-(-3)}=-\frac92$
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