Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - Chapter 1 Test Prep - Review Exercises - Page 178: 48

Answer

(a) Equations-B and C. (b) Equation-A.

Work Step by Step

(a) Equations-B and C have only one distinct real solution because the left side is a perfect square and the right side is zero. (b) Equation-A has two nonreal complex solutions because the left side is a perfect square and the right side is a negative number.
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