Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 3 - Introduction to Graphing - 3.5 Slope - 3.5 Exercise Set - Page 200: 50



Work Step by Step

Using $m=\dfrac{y_1-y_2}{x_1-x_2}$ or the Slope Formula, then the slope of the line containing the given points, $\left( -5,-1 \right) \text{ and } \left( 2,-3 \right)$, is \begin{array}{l} m=\dfrac{-1-(-3)}{-5-2} \\\\ m=\dfrac{-1+3}{-5-2} \\\\ m=\dfrac{2}{-7} \\\\ m=-\dfrac{2}{7} .\end{array}
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