Algebra 1

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

Chapter 5 - Linear Functions - 5-3 Slope-Intercept Form - Practice and Problem-Solving Exercises: 61

Answer

a) $y=35x+50$ b)Please see the graph. c) You can't have a negative number of hours for repairs, so that's why the graph should only be in quadrant I.
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Work Step by Step

a) 50 for diagnosis, 35 per hour for repairs y=35x+50 b) The line on the graph goes through the points (0,50) and (1,85). The slope of the line is 35, and the y-intercept is 50. Thus, the line does go through points (0,50) and (1,85).
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