Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.2 Real Numbers and Their Properties - R.2 Exercises: 31

Answer

$-\frac{1}{4}$

Work Step by Step

$$(-\frac{2}{9}-\frac{1}{4})-[-\frac{5}{18}-(-\frac{1}{2})]$$ $$(-\frac{8}{36}-\frac{9}{36})-[-\frac{10}{36}-(-\frac{18}{36})]$$ $$(-\frac{17}{36}-[-\frac{10}{36}-(-\frac{18}{36})]$$ $$-\frac{17}{36}-[-\frac{8}{36}]$$ $$-\frac{17}{36}+\frac{8}{36}$$ $$-\frac{9}{36}$$ $$-\frac{1}{4}$$
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