Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 4 - An Introduction to Functions - 4-5 Writing a Function Rule - Mixed Review - Page 267: 54



Work Step by Step

Base on the identity rule of fraction , $\frac{4}{9}$x$\frac{9}{4}$=1 , and negative times negative should be positive , so -$\frac{4}{9}$ x-$\frac{9}{4}$=1
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