Instructional Video

Khan Academy: The Quadratic Formula: Proof of Quadratic Formula

Curated by ACT

Demonstrates how to derive the quadratic formula from the standard form of a quadratic equation by completing the square.

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CCSS: Adaptable
Concepts
completing the square, quadratic formula
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Additional Tags
complete the square, khan academy, proof of quadratic formula, quadratic equation
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Resource Details
Grade
9th - 10th
Subjects
Math
2 more...
Resource Type
Instructional Videos
Audiences
For Administrator Use
2 more...
Lexile Measures
0L