Intermediate Algebra (12th Edition)

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

Chapter 2 - Summary Exercises - Finding Slopes and Equations of Lines - Page 178: 5



Work Step by Step

Using the properties of equality, the given equation, $ x-4=0 $ is equivalent to \begin{array}{l}\require{cancel} x=4 .\end{array} Equations of the form $x=b$, such as the equation above, are lines whose slope is $\text{ undefined }$.
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