Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 4 - Chapters R-4 - Cumulative Review Exercises - Page 321: 13



Work Step by Step

Using $m=\dfrac{y_1-y_2}{x_1-x_2}$ or the Slope Formula, the slope, $m,$ of the line passing through the given points $( -4,5 )$ and $( 2,-3 )$ is \begin{array}{l}\require{cancel} m=\dfrac{5-(-3)}{-4-2} \\\\ m=\dfrac{5+3}{-4-2} \\\\ m=\dfrac{8}{-6} \\\\ m=\dfrac{\cancel{2}(4)}{\cancel{2}(-3)} \\\\ m=\dfrac{4}{-3} \\\\ m=-\dfrac{4}{3} .\end{array}
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