Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 2 - Section 2.5 - Zeros of Polynomial Functions - Concept and Vocabulary Check - Page 377: 8

Answer

false

Work Step by Step

This statement is false, because the Descartes’s Rule of Signs only states that the function may have 4 positive real zeros or less than 4 by even numbers. This means that it is also possible that there are only 2 or 0 real zeros.
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