Calculus 8th Edition

Published by Cengage

Appendix B - Coordinate Geometry and Lines - B Exercises - Page A15: 7

Answer

$m = 2$

Work Step by Step

Find the slope ($m$) of the line through $P$ and $Q$. $P(1,5)$ $Q(4,11)$ $m = \frac{y_2 -y_1}{x_2 - x_1}$ $m = \frac{11-5}{4-1} = \frac63 = 2$

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