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# Quadratic Functions and Their Graphs

## Identify the intercepts, vertex, and axis of symmetry

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.

## Quadratic Functions and Their Graphs

Graph and compare graphs of quadratic functions in the coordinate plane.

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• PLIX

## Quadratic Functions and Their Graphs: Soccer Ball Trajectory

Quadratic Functions and Their Graphs Interactive

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• Video

## Graph a Quadratic Function in General Form

Learn how to graph a quadratic equation in general form by finding several key things: the intercepts, the equation of the axis, and the vertex.

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• Video

## Graphs of Quadratic Functions: A Sample Application

This video demonstrates a sample use of graphs of quadratic functions.

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• Video

## Graphs of Quadratic Functions: An Explanation of the Concept

This video provides an explanation of the concept of graphs of quadratic functions.

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• Critical Thinking

## Quadratic Functions and Their Graphs Discussion Questions

A list of student-submitted discussion questions for Quadratic Functions and Their Graphs.

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• Real World Application

Students will understand the benefits of using solar panels for their home.

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• Real World Application

## Keep the Focus

Learn how satellites depend on the properties of parabolas to effectively transmit signals to your electronic devices.

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• Real World Application

## Parabolic Perfection

You can use the mathematics of parabolas to improve your free throw shooting in basketball.

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• Real World Application

## Free Falling

Find out how jet planes can simulate the sensation of weightlessness by flying in parabolas.

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• Real World Application

## Comets and Periods

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

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• Study Guide