Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.1 - Real Numbers - 1.1 Exercises: 70

Answer

a.) 10 b.) -1

Work Step by Step

a.)$\mid$2-$\mid$-12$\mid$$\mid$ Find the Absolute of -12 $\mid$-12$\mid$ = -(-12) = 12 Rewrite $\mid$2-12$\mid$ Subtract $\mid$-10$\mid$ Find the Absolute value of -10 $\mid$-10$\mid$ = -(-10) = 10 b.) -1 - $\mid$1 - $\mid$-1$\mid$$\mid$ Find the Absolute value for -1 $\mid$-1$\mid$ = -(-1) = 1 Rewrite -1 - $\mid$1-1$\mid$ -1 - $\mid$0$\mid$ $\mid$0$\mid$ = 0 -1 - 0 = -1
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