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Graphs of Quadratic Functions in Intercept Form

Parabola vertices and x-intercepts

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.
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Understanding the Graphs of a Parabola

Learn to understand the graphs of a parabola given equations.

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Graphs of Quadratic Functions in Intercept Form

Find the x-intercepts and vertex of a quadratic function by writing it in intercept form and solve real-world problems.

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Understanding the Graphs of a Parabola

by John Makenser //basic

Understanding the graphs of a parabola given equations.

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by EPISD Algebra 1 Team //at grade

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• PLIX

Graphs of Quadratic Functions in Intercept Form: Architectural Bridge Challenge

Graphs of Quadratic Functions in Intercept Form Interactive

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• Video

Basic Parabola Graph

by CK-12 //basic

Graphs a basic parabola using y=3x^2 to show the use of a table and key points.

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• Video

Graph Quadratic Functions in Intercept Form: A Sample Application

This video demonstrates a sample use of graphing quadratic functions in intercept form.

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• Video

Graph Quadratic Functions in Intercept Form: An Explanation of the Concept

This video provides an explanation of the concept of graphing quadratic functions in intercept form.

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• Practice
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Understanding the Graphs of a Parabola

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• Real World Application

Suspended by a Cable

Discover how parabolas are used in supporting the Golden Gate Bridge and other suspension bridges.

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• Real World Application

Zooming In

Discover how the Hubble Space Telescope uses parabolas to capture the details of faraway galaxies.

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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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• Real World Application

A Dynamic Drop

Find out how structural engineers use parabolas to design roller coasters.

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• Study Guide

Graphs of Quadratic Functions in Intercept Form

This study guide reviews the "short cut" method of graphing quadratics based on using simple factoring to find the x intercepts and the vertex. (doesn't require you to make a table of values)

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Equation Grapher

A simulation that automatically graphs an adjustable parabola.

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• Flashcards

Understanding the Graphs of a Parabola

by Galaxy Portillo //basic

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• Flashcards

Understanding the Graphs of a Parabola

by Kyle Bardman //basic