Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 5 - Linear Functions - Chapter Test - Page 353: 15

Answer

a) $y=5x-30$ b) Please see the graph.; y-intercept = -30; x-intercept = 6

Work Step by Step

a) 30 spent, charge 5 per pet $y=5x-30$ b) $y=5x-30$ Let $x=0$ $y=5x-30$ $y=0*5-30$ $y=-30$ Let $y=0$ $y=5x-30$ $0 = 5x-30$ $30= 5x$ $30/5 = 5x/5$ $6=x$
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