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# Methods for Solving Quadratic Functions

Factoring, completing the square, and the quadratic formula.
Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Methods for Solving Quadratic Functions

A review of the three major methods of solving quadratic functions for ''x'' intercepts.

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## Factoring Polynomials in Quadratic Form

This lesson applies factoring a quadratic equation to other types of polynomials that are in "quadratic form."

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• PLIX

## Methods for Solving Quadratic Functions: Boxes for Factoring

Methods for Solving Quadratic Functions Interactive

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• Video

## Solving Quadratic Equations by Factoring

Learn how to solve quadratic equations by using factoring in this step-by-step video with several example problems.

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• Video

## Completing the Square to Solve Quadratic Equations

Learn how to solve quadratic equations by using the method of completing the square.

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