## Key Concepts

**Square Root Notation**\(\sqrt{m}\) is read ‘the square root of \(m\)’If \(m={n}^{2}\), then \(\sqrt{m}=n\), for \(n\ge 0\).

**Use a strategy for applications with square roots.**- Identify what you are asked to find.
- Write a phrase that gives the information to find it.
- Translate the phrase to an expression.
- Simplify the expression.
- Write a complete sentence that answers the question.