Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - Summary Exercises on Graphs, Circles, Functions, and Equations - Exercises - Page 248: 14


$x=-4$ Refer to the graph below.

Work Step by Step

RECALL: A vertical line has an equation of the form $x-h$. Every point on the line has an x-coordinate of $h$. The given line is vertical and passes through the point $(-4, 3)$. This point has an x-coordinate of $-4$. Since every point on a vertical line has the same x-coordinate, then the is equation of the given line is $x=-4$. Refer to the graph in the answer part above.
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