Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 3 - Test - Page 198: 6

Answer

$m=-\dfrac{3}{2}$

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 that passes through $( 5,-8 )$ and $( -7,10 )$ is \begin{array}{l} m=\dfrac{-8-10}{5-(-7)} \\\\ m=\dfrac{-8-10}{5+7} \\\\ m=\dfrac{-18}{12} \\\\ m=\dfrac{-3}{2} \\\\ m=-\dfrac{3}{2} .\end{array}
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