Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.3 - Introduction to Polynomials - Exercise Set: 17

Answer

$(a)$ $-15$ $(b)$ $-10$

Work Step by Step

$-x^{3}+4x^{2}-15$ $(a)$ $x=0$ Replace $x$ with $0$ and evaluate the indicated operations: $-(0)^{3}+4(0)^{2}-15=-15$ $b)$ $x=-1$ Replace $x$ with $-1$ and evaluate the indicated operations: $-(-1)^{3}+4(-1)^{2}-15=1+4-15=-10$
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