## Intermediate Algebra (12th Edition)

Published by Pearson

# Chapter 2 - Section 2.3 - Writing Equations of Lines - 2.3 Exercises: 13

Graph B

#### Work Step by Step

Using $y=mx+b$ or the slope-intercept form of linear equations where $b$ is the $y-$intercept and $m$ is the slope, the given equation, $y=3 ,$ has the following characteristics: \begin{array}{l}\require{cancel} \text{$y-$intercept: } 3 \\\text{slope: } 0 .\end{array} The $y-$intercept is at the positive $y-$ axis. Since the slope is $0$,, then the line is horizontal. These characteristics are best exemplified by $\text{ Graph B .}$

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