College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.5 - Solving Inequalities - 1.5 Assess Your Understanding - Page 128: 98


$a=-5$ and $b=7$

Work Step by Step

We are given: $-3\lt x\lt 3$ We multiply by $-2$: $-2*-3\gt -2*x\gt -2*3$ $6\gt -2x\gt -6$ We add $1$: $6+1\gt -2x+1\gt -6+1$ $7\gt -2x+1\gt -5$ $-5\lt 1-2x\lt 7$ Therefore: $a=-5$ and $b=7$
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