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# Vertex Form of a Quadratic Equation

## Complete the square to convert to vertex form

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.

## 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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• PLIX

## Vertex Form of Quadratic Equation: Bridge Parabola

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Vertex Form of a Quadratic Equation Interactive

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• Video

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

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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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• Practice
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## Vertex Form of a Quadratic Equation Practice

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• Critical Thinking

## Vertex Form of a Quadratic Equation Discussion Questions

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A list of student-submitted discussion questions for Vertex Form of a Quadratic Equation.

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## Vertex Form of a Quadratic Equation Ask, Answer, Learn Table

by CK-12 //at grade

Come up with questions about a topic and learn new vocabulary to determine answers using the table

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• Real World Application

## Fireworks

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When’s the best time to blow up fireworks?

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• Real World Application

## Comets and Periods

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Find out what happens when comets cross paths with other celestial bodies.

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• Study Guide

## Solving Quadratic Equations Study Guide

by CK-12 //at grade

This study guide gives an overview of methods to solve quadratic functions: solving by square roots (special case), completing the square, using the quadratic formula. It also looks at using the discriminant to determine the number of solutions.

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