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: 80

Answer

$y=-5$

Work Step by Step

RECALL: A horizontal line's equation is of the form $y=k$. Its y-intercept is $(0, 0)$, and each point on the line has a y-coordinate of $k$. The given graph is horizontal, and every point on the line has a y-coordinate of $-5$. This means the equation of the line is $y=-5$.
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