College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 3 - Section 3.3 - Zeros of Polynomial Functions - 3.3 Exercises - Page 315: 5

Answer

It is a factor

Work Step by Step

$x-1$ is a factor of $f(x)$, if $f(1)=0$ By subtituting x by 1, we get: $1^3-5\times 1^2+3\times 1 +1=0$. Therefore, $x-1$ is a factor of $f(x)$
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