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 - 1.5 Finding Equations of Lines - 1.5 Exercises - Page 73: 3



Work Step by Step

The line passes through $(0,-\frac{15}{2})$, so that is the $y$-intercept. Since the slope is the rise over the run, we can note that for every $1$ unit rise, the line runs $2$ units. Therefore, our slope is $\frac{1}{2}$, and we can now write our equation in slope-intercept form. $y=\frac{1}{2}x-\frac{15}{2}$
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