College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.8 - Solving Basic Equations - P.8 Exercises - Page 59: 8

Answer

(a) True (b) False

Work Step by Step

(a) Using $x=-1$: 2-5(-1)=8+(-1) 2--5=8-1 7=7 Which is True. (b) Using x=1: 2-5(1)=8+1 2-5=8+1 -3=9 Which is False.
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