# Chapter R - Review of Basic Concepts - R.7 Radical Expressions - R.7 Exercises: 49

$\color{blue}{-\dfrac{3}{5}}$

#### Work Step by Step

Since $\dfrac{9}{25} = \left(\dfrac{3}{5}\right)^2$, the given expression simplifies to: $=-\sqrt{\left(\dfrac{3}{5}\right)^2} \\=\color{blue}{-\dfrac{3}{5}}$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.