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: 40

Answer

$m=-\dfrac{1}{5}$

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, $( 1,8 ) \text{ and } ( 6,9 )$, is \begin{array}{l} m=\dfrac{8-9}{1-6} \\\\ m=\dfrac{-1}{5} \\\\ m=-\dfrac{1}{5} .\end{array}
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