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 - Chapter Review Exercises - Page 121: 29



Work Step by Step

Since they are supposed to be perpendicular, the desired line must have a slope that is the opposite of the reciprocal of the slope of the given line, y=-4x+7. The given line is in slope-intercept form, so we know that its slope is -4. Therefore the desired line has a slope of m=$\frac{1}{4}$. y-y$_1$=m(x-x$_1$) y-7=$\frac{1}{4}$(x-3) y-7=$\frac{1}{4}$x-$\frac{3}{4}$ y=$\frac{1}{4}$x+6$\frac{1}{4}$
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