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.