Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 9 - Basic Algebra - 9.4 Order of Operations - 9.4 Exercises - Page 654: 55

Answer

$1\frac{1}{4}$

Work Step by Step

$(-\frac{1}{2})^2-(\frac{3}{4}-\frac{7}{4})\longrightarrow$ Solve equations in parentheses. =$(-\frac{1}{2})^2-(-\frac{4}{4})\longrightarrow$ Simplify. =$(-\frac{1}{2})^2-(-1)\longrightarrow$ Solve exponents. =$(\frac{1}{4})-(-1)\longrightarrow$ Change subtraction of a negative to its additive inverse. =$(\frac{1}{4})+1\longrightarrow$ Solve. =$1\frac{1}{4}$
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