Evaluating Expressions Using Square Roots

Evaluating Expressions Using Square Roots

Introduction

Square roots help us find a number that, when multiplied by itself, equals a given number. For example, √25 = 5 because 5 × 5 = 25. Square roots are useful in math, science, engineering, and even video...

Peter is working on a math problem that requires him to evaluate five times the square root of thirty-six, plus seven. Let’s see how he solves it.

He follows the order of operations and starts by simplifying the square root first.

Since 6 times 6 equals 36, the square root of 36 is 6; he rewrites the expression as 5 times...