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 10 - Radical Functions and Equations - 10.3 - Solving Radical Equations - Monitoring Progress - Page 562: 12

Answer

The equation has no solution.

Work Step by Step

The given equation is $\Rightarrow \sqrt{3m}+10=1$ Subtract $10$ from each side. $\Rightarrow \sqrt{3m}+10-10=1-10$ Simplify. $\Rightarrow \sqrt{3m}=-9$ Square each side of the equation. $\Rightarrow (\sqrt{3m})^2=(-9)^2$ Simplify. $\Rightarrow 3m=81$ Divide each side $3$. $\Rightarrow m=27$ Check $m=27$. $\Rightarrow \sqrt{3m}+10=1$ $\Rightarrow \sqrt{3(27)}+10=1$ $\Rightarrow \sqrt{81}+10=1$ $\Rightarrow 9+10=1$ $\Rightarrow 19=1$ False. Hence, the equation has no solution.
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