Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.1 - Algebraic Expressions, Real Numbers, and Interval Notation - Exercise Set: 20

Answer

$1\frac{1}{4}$

Work Step by Step

First, we must substitute x into the expression: $(\frac{1}{2})^{2}+2(\frac{1}{2})$ Then, we solve by following order of operations, first multiplying and then adding: $(\frac{1}{2})(\frac{1}{2})+\frac{2}{2}$ Multiplying the fractions $\frac{1}{4}+\frac{2}{2}$ Canceling out the fraction $\frac{1}{4}+1$ Adding the numbers together $1\frac{1}{4}$
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