Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 5 - Section 5.5 - Dividing Polynomials - Exercise Set: 41

Answer

$-\frac{1}{2}y^3$

Work Step by Step

Divide the monomials by cancelling out common factors of the numbers and subtracting the exponents of variables. $\frac{-9y^8}{18y^5}=-\frac{9}{18}y^{(8-5)}=-\frac{1}{2}y^3$ Check the answer. $18y^5(-\frac{1}{2}y^3)=-\frac{18}{2}y^{5+3}=-9y^8$
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