Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Review Exercises - Page 302: 60


The slope and y-intercept of the given equation $y=\frac{2}{5}x-1$ of the line is $\frac{2}{5}$ and -1.

Work Step by Step

The given equation of the line is $y=\frac{2}{5}x-1$ Compare the given equation with the general slope-intercept form: $y=mx+c$ Slope $=\frac{2}{5}$ Now, to find the y-intercept, substitute $x=0$ in the given equation: $\begin{align} & y=\frac{2}{5}\left( 0 \right)-1 \\ & y=-1 \end{align}$
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