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## Solve quadratic equations using the 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.

Use the quadratic formula to solve equations and find the vertex of parabolas.
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Learn how to use the quadratic formula.
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Learn how to use the quadratic formula.
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Learn how to use the quadratic formula.
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Use the quadratic formula to solve equations and find the vertex of parabolas.
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by EPISD Algebra 2 Team //at grade
This lesson covers deriving the quadratic formula and using it to solve any quadratic equation.
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by EPISD Algebra 1 Team //at grade
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Use the quadratic formula to solve equations and find the vertex of parabolas.
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## Deriving and Using the Quadratic Formula

This lesson covers deriving the quadratic formula and using it to solve any quadratic equation.
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by Millard Public School Omaha, NE (www.mpsomaha.org) //at grade
Use the quadratic formula to solve equations and find the vertex of parabolas.
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• Video

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Shows how to use the Quadratic Formula to solve a quadratic equation, one more way to solve quadratic equations.
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## The Quadratic Formula: A Sample Application

This video demonstrates a sample use of the quadratic formula.
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## The Quadratic Formula: An Explanation of the Concept

This video provides an explanation of the concept of the quadratic formula.
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• Critical Thinking