Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter R - Elementary Algebra Review - R.3 Introduction to Graphing - R.3 Exercise Set: 22

Answer

$\text{Slope: } -1 \\\text{$y$-intercept: } 4$

Work Step by Step

The given equation is equivalent to \begin{array}{l}\require{cancel} y=4-x \\\\ y=-x+4 .\end{array} Using $y=mx+b$ (where $m$ is the slope and $b$ is the $y$-intercept) or the Slope-Intercept Form of linear equations, then the equation, $ y=-x+4 ,$ has the following properties: \begin{array}{l}\require{cancel} \text{Slope: } -1 \\\text{$y$-intercept: } 4 .\end{array}
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