## Key Concepts

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

**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.