Intermediate Algebra (12th Edition)

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

Chapter 2 - Section 2.2 - The Slope of a Line - 2.2 Exercises: 10

Answer

$slope=\frac{-1}{3}$

Work Step by Step

Slope is defined as: $\displaystyle slope=\frac{rise}{run}$ To find the slope of $DE$, we need to find the rise and run from $D$ to $E$. From the graph, we see that: $rise=-1$ units $run=3$ units Thus: $slope=\frac{-1}{3}$
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