Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.4 Intercepts and Graphing - 1.4 Exercises - Page 63: 33


no $x$-intercept; $y$-intercept is at $(0, 3)$ Refer to the graph below.

Work Step by Step

Recall: The graph of a line whose equation is in the form $y=k$ is a horizontal line whose $y$-intercept is $(0, k)$. The line has no $x$-intercept unless the equation of the line is $y=0$. Thus, the $y$-intercept of the graph of $y=3$ is at $(0, 3)$. The graph has no $x-$intercept.
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