Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 5 - Linear Functions - Common Core Cumulative Standards Review - Selected Response - Page 360: 19



Work Step by Step

We are given $2x+4y=12$ $\rightarrow x+2y=6$ $\rightarrow y=\frac{-1}{2}x+3$ The slope of the line is $\frac{-1}{2}$. To find the perpendicular slope: $\frac{-1}{m}$ = $\frac{-1}{\frac{-1}{2}}=2$
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