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Solving quadratics by taking square root

4 videos
2 skills
Let's explore one of the most fundamental ways to solve a quadratic equation when it is already written in terms of a square of an expression in x--solve for the expression and take the square root. As we'll see, equations are not always in this form, and that is where completing the square--which puts equations in this form--is essential!

Solving quadratic equations by square roots

VIDEO 11:03 minutes
Solving Quadratic Equations by Square Roots

Example: Solving simple quadratic

VIDEO 2:18 minutes
Simple Quadratic Equation

Solving quadratics by taking the square root

PRACTICE PROBLEMS
Solve quadratics by taking the square root.