Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 3 - Section 3.3 - Intercepts - Exercise Set - Page 223: 32

Answer

Please see the graph.

Work Step by Step

$x+3y=9$ Let $x=0$ (y-intercept) $x+3y=9$ $0+3y=9$ $3y=9$ $3y/3=9/3$ $y=3$ $(0,3)$ Let $y=0$ (x-intercept) $x+3y=9$ $x+3*0=9$ $x+0=9$ $x=9$ $(9,0)$ Let $x=3$ $x+3y=9$ $3+3y=9$ $3y= 6$ $3y/3 = 6/3$ $y=2$ $(3,2)$
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