# Completing the Square

## Create perfect square trinomials using the additive property of equality

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.

## Completing the Square

Solve quadratic equations by completing the square.
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## Completing the Square

Completing the Square Interactive
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## Solving Quadratic Equations by Completing the Square: An Explanation of the Concept

This video provides an explanation of the concept of solving quadratic equations by completing the square.
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## Solving Quadratic Equations by Completing the Square: A Sample Application

This video demonstrates a sample use of solving quadratic equations by completing the square.
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