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# Vertex Form of a Quadratic Equation

## Convert to vertex form of a quadratic equation by completing the square

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.
• Read

## Vertex Form of a Quadratic Equation

by CK-12 //at grade
Write quadratic functions in vertex form and find their vertex and intercepts.
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• Video

## Graph Quadratic Functions in Vertex Form: A Sample Application

by CK-12 //at grade
This video demonstrates a sample use of graphing quadratic functions in vertex form.
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• Video

## Graph Quadratic Functions in Vertex Form: An Explanation of the Concept

by CK-12 //at grade
This video provides an explanation of the concept of graphing quadratic functions in vertex form.
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• Critical Thinking

## Vertex Form of a Quadratic Equation Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for Vertex Form of a Quadratic Equation.
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• Real World Application

## Comets and Periods

by CK-12 //at grade
Find out what happens when comets cross paths with other celestial bodies.
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