Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 3 - Review - Page 196: 81



Work Step by Step

Horizontal lines have a slope of $0$. Using $y-y_1=m(x-x_1)$ or the Point-Slope Form, then the equation of the line through $( 3,-1 )$ with slope $ 0 $ is \begin{array}{l} y-(-1)=0(x-3) \\\\ y+1=0 \\\\ y=-1 .\end{array}
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