Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 3 - Section 3.4 - Real Zeros of Polynomials - 3.4 Exercises - Page 283: 2

Answer

5,3,1; 0

Work Step by Step

P(x) has five variations in sign, so it has either 5, 5-2=3 or 5-4=1 positive real zeros; P(-x) has 0 variations in sign, so P(x) has 0 negative real zeros.
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