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 - Page 20: 44



Work Step by Step

$$p=-4,q=8,r=-10$$ $$\frac{\frac{q}{4}-\frac{r}{5}}{\frac{p}{2}+\frac{q}{2}}$$ $$\frac{\frac{8}{4}-\frac{-10}{5}}{\frac{-4}{2}+\frac{8}{2}}$$ $$\frac{2+2}{-2+4}$$ $$\frac{4}{2}$$ $$2$$
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