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 - Page 386: 44



Work Step by Step

Divide the monomials by cancelling out common factors of the numbers and subtracting the exponents of variables. $\frac{9y^{19}}{7y^{11}}=\frac{9}{7}y^{(19-11)}=\frac{9}{7}y^{8}$ Check the answer. $7y^{11}(\frac{9}{7}y^{8})=\frac{7(9)}{7}y^{(11+8)}=9y^{19}$
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