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Solve quadratic equations using the formula

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.

Deriving and Using the Quadratic Formula

This lesson covers deriving the quadratic formula and using it to solve any quadratic equation.

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Learn how to use the quadratic formula.

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Learn how to use the quadratic formula.

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Learn how to use the quadratic formula.

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Use the quadratic formula to solve equations and find the vertex of parabolas.

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by EPISD Algebra 2 Team //at grade

This lesson covers deriving the quadratic formula and using it to solve any quadratic equation.

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by EPISD Algebra 1 Team //at grade

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• Video

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• Video

Shows how to use the Quadratic Formula to solve a quadratic equation, one more way to solve quadratic equations.

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• Video

The Quadratic Formula: A Sample Application

This video demonstrates a sample use of the quadratic formula.

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• Video

The Quadratic Formula: An Explanation of the Concept

This video provides an explanation of the concept of the quadratic formula.

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• Practice
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• Critical Thinking

A list of student-submitted discussion questions for Quadratic Formula.

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To stimulate the critical thinking skills required to assess the validity of statements about the key concept using an Agree/Disagree Table.

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To stimulate the critical thinking skills required to assess the validity of statements about the key concept using an Agree/Disagree Table.

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Deriving and Using the Quadratic Formula Double Entry Diary

To have students generate connections between specific points in the concept’s reading and their own personal experiences using a Double Entry Diary.

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Quadratic Formula Four Square Concept Matrix

Summarize the main idea of the Concept, create visual aids or make notes about formulas and create connections to real-world situations.

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• Real World Application

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• Real World Application

Fireworks

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• Study Guide