College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 2 - Section 2.5 - Equations of Lines and Linear Models - 2.5 Exercises - Page 226: 19

Answer

$y=4$

Work Step by Step

The equation of a horizontal line takes the form $y=b$ where $b$ is the $y-$intercept. Hence, the equation of the line passing through $( -7,4 )$ with an undefined slope is $ y=4 .$
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