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: 9



Work Step by Step

Slope is defined as: $\displaystyle slope=\frac{rise}{run}$ To find the slope of $CD$, we need to find the rise and run from $C$ to $D$. From the graph, we see that: $rise=-7$ units $run=0$ units (since the line is vertical) Thus: $slope=\frac{-7}{0}=undefined$ (vertical "infinite" slope)
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