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Quadratic Equations

Quadratic Equations

Learn and practice solving quadratic equations with interactive resources from GeoGebra.

High School

GRADES 9-12

Completing the Square to Solve Quadratic Equations

Solve quadratic equations by completing the square.

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GR. 9-12

Completing the Square with Algebra Tiles

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GR. 9-12

Completing the Square: Choose Your Own Expression

Discriminant and Roots of a Quadratic Equation

Use the discriminant to determine the number and nature of the roots of a quadratic equation.

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GR. 9-12

Discriminant of a Quadratic Equation

Graphing to Solve Quadratic Equations

Solve quadratic equations by graphing.

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GR. 9-12

Solving Quadratic Equations Graphically

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练习

GR. 9-12

Finding Quadratic Equation Roots Graphically

Quadratic Equations and Functions from Zeros

Write a quadratic equation or quadratic function given its zeros.

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GR. 9-12

Quadratic Roots and Factored Form

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练习

GR. 9-12

Completing Quadratic Functions from Given Roots

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练习

GR. 9-12

Writing Quadratic Functions from Given Roots

Using Properties of Equality to Solve Quadratic Equations

Solve quadratic equations using properties of equality.

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练习

GR. 9-12

Applying the Square Roots Method on Quadratic Equations

Using the Quadratic Formula to Solve Quadratic Equations

Solve quadratic equations using the quadratic formula.

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GR. 9-12

The Quadratic Formula

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GR. 9-12

The Quadratic Formula: Choose Your Own Equation

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练习

GR. 9-12

Identifying Coefficients for the Quadratic Formula

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练习

GR. 9-12

Applying the Quadratic Formula

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