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

by CK-12 //at grade
Graph and compare graphs of quadratic functions in the coordinate plane.
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• PLIX

Quadratic Functions and Their Graphs: Soccer Ball Trajectory

by CK-12 //at grade
Quadratic Functions and Their Graphs Interactive
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• Video

Graph a Quadratic Function in General Form

by CK-12 //at grade
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

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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

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This video provides an explanation of the concept of graphs of quadratic functions.
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• 1
• Critical Thinking

Quadratic Functions and Their Graphs Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for Quadratic Functions and Their Graphs.
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• Real World Application

Solar Power - Quadratic

by CK-12 //at grade
Students will understand the benefits of using solar panels for their home.
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• Real World Application

Keep the Focus

by CK-12 //at grade
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

by CK-12 //at grade
You can use the mathematics of parabolas to improve your free throw shooting in basketball.
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• Real World Application

Free Falling

by CK-12 //at grade
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

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

Graphing Quadratic Equations Study Guide

by CK-12 //at grade
This study guide takes a look at graphing quadratic functions and identifying features of the parabola. It also reviews how to solve quadratic functions by graphing.
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