Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 1 - Solving Linear Equations - 1.4 - Solving Absolute Value Equations - Exercises - Page 34: 55

Answer

sometimes

Work Step by Step

The value of $p$ can be greater than $0$, less than $0$ or equal to $0$. The equation $|x - 4| = p$ will have $2$ solutions only when $p$ is greater than $0$. It will have no solution when $p < 0$ and only one solution when $p=0$. Hence, the statement is true only when $p>0$. Therefore, for any real number $p$, the equation $|x-4|=p$ will $\textbf{sometimes}$ have $2$ solutions.
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