Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 8 - Coordinate Geometry and Linear Systems - 8.3 - Slope of a Line - Problem Set 8.3 - Page 349: 11

Answer

$m=0$

Work Step by Step

Using $m=\dfrac{y_1-y_2}{x_1-x2}$ the slope of the line determined by the given points, $( 3,-4 ) \text{ and } ( 2,-4 ),$ is \begin{array}{l}\require{cancel} m=\dfrac{-4-(-4)}{3-2} \\\\ m=\dfrac{-4+4}{1} \\\\ m=\dfrac{0}{1} \\\\ m=0 .\end{array}
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