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MIDDLE SCHOOL

Mathematics (Grade 8)

Expressions & Equations

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Expressions & Equations: Expression with Powers

Solving Equations Using Square Roots

Description

Solving Equations Using Square Roots

Introduction

Have you ever wondered how to find a number when you only know its square? Solving equations using square roots helps us answer questions like that. This skill is useful in math, science, engineering, and e...

Transcript

Imagine you have a square photo frame with an area of 81 square inches, and you want to find the length of one side.

Because the area of a square is calculated by multiplying its side length by itself, you can write this situation as the equation x2 = 81.

To find the value of x, take the square root of both sid...