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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.

by CK-12 //basic
Learn how to use the quadratic formula.
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by CK-12 //basic
Overview
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## Solving Problems Using the Quadratic Formula - Overview

by CK-12 //basic
Overview
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by CK-12 //basic
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by CK-12 //basic
Explains and proves the quadratic formula.
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## Using the Quadratic Formula to Solve Quadratic Equations - Example 1

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## Using the Quadratic Formula to Solve Quadratic Equations - Example 2

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## Solving Problems Using the Quadratic Formula - Example 1

by CK-12 //basic
Solving Word Problems Using the Quadratic Formula
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