College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 2 - Section 2.3 - Lines - 2.3 Assess Your Understanding - Page 178: 31


equation: $x=0$ Refer to the image below for the graph.

Work Step by Step

RECALL: A line with an undefined slope is vertical and has an equation of the form $x=h$ where $h$ is the x-intercept. Plot the point $P(0, 3)$. The line has an undefined slope, so it is vertical. Points on a vertical line share the same x-value. Thus, plot any point with same x-value as $P$, then connect the points using a straight line to complete the graph. (refer to the image below for the graph). The equation of the line is $x=0$.
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