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 - 3.3 Graphing and Intercepts - 3.3 Exercise Set - Page 180: 79



Work Step by Step

RECALL: A vertical line's equation is of the form $x=h$. Its x-intercept is $(h, 0)$, and each point on the line has an x-coordinate of $h$. The given graph is vertical, and every point on the line has an x-coordinate of $4$. This means the equation of the line is $x=4$.
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