Precalculus: Mathematics for Calculus, 7th Edition

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

Chapter 3 - Section 3.3 - Dividng Polynomials - 3.3 Exercises - Page 274: 63



Work Step by Step

RECALL: If $c$ is a zero of a polynomial, then $x-c$ is a factor of the polynomial. Since -1, 1, and 3 are zeros of the polynomial, then $(x+1), (x-1), \text{ and } (x-3)$ are factors of the polynomial. Thus, one polynomial of degree 3 with the given zeros is: $\\P(x) =(x+1)(x-1)(x-3) \\P(x)=x^3-3x^2-x+3$
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