College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 5 - Systems of Equations and Inequalities - Exercise Set 5.1 - Page 528: 51

Answer

m = -4 b = 3

Work Step by Step

f(-2) = 11 Write in slope intercept form: 11 = -2m + b b = 11 + 2m f(3) = -9 Write in slope intercept form: -9 = 3m + b Plug b = 11 + 2m into -9 = 3m + b -9 = 3m + 11 + 2m -20 = 5m m = -4 Plug m into b = 11 + 2m b = 11 + 2(-4) b = 3
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