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: 58

Answer

$\color{blue}{x=3}$

Work Step by Step

RECALL: A line with an undefined slope has an equation of the form $x=h$ where $h$ is the x-intercept. All points on the line have $x=h$. The given line has an undefined slope, so it is a vertical line. The line contains the point $(3, 8)$. This means that all points on the line have $x=3$, and that the equation of the line itself is $x=3$. Thus, the equation of the line is: $\color{blue}{x=3}$
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