Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 1 - Graphs - 1.3 Lines - 1.3 Assess Your Understanding: 112

Answer

$y=-\frac{1}{2}x-1$

Work Step by Step

Find the slope of the line using the points of the line (0,-1) and (-2,0), $m=\dfrac{0-(-1)}{-2-0}=\dfrac{1}{]-2}=-\dfrac{1}{2}$ With a y intercept of $1$, the slope-intercept form of the equation of th eline is $y=-\frac{1}{2}x-1$.
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