Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 1 - Expressions, Equations, and Inequalities - 1-6 Absolute Value Equations and Inequalities - Practice and Problem-Solving Exercises - Page 46: 28

Answer

no solution

Work Step by Step

Using the properties of inequality, the given, $ \dfrac{1}{4}|x-3|+2\lt1 ,$ is equivalent to \begin{align*}\require{cancel} \dfrac{1}{4}|x-3|+2-2&\lt1-2 \\\\ \dfrac{1}{4}|x-3|&\lt-1 \\\\ 4\left(\dfrac{1}{4}|x-3| \right)&\lt(-1)4 \\\\ |x-3|&\lt-4 .\end{align*} The left side of the expression above always results to a nonnegative number for any value of $x.$ This is because the absolute value of a number is either $0$ or some positive value. This value will never be less than the negative value at the right. Hence, there are no values of $x$ that will satisfy the inequality above. Therefore, there is no solution.
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