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: 36

Answer

Please see the graph.

Work Step by Step

$-x+9y=10$ Let $x=0$ (y-intercept) $-x+9y=10$ $-0+9y=10$ $9y=10$ $9y/9 = 10/9$ $y= 10/9$ $(0,10/9)$ Let $y=0$ (x-intercept) $-x+9y=10$ $-x+9*0=10$ $-x+0=10$ $-x = 10$ $-x*-1 = 10*-1$ $x = -10$ $(10,0)$ Let $y=1$ $-x+9y=10$ $-x+9*1=10$ $-x + 9=10$ $-x = 1$ $-x*-1 = 1*-1$ $x = -1$ $(-1,1)$
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