Instructional Video

Khan Academy: Algebra: Quadratic Formula (Proof)

Curated by ACT

Explains how to derive the quadratic formula by completing the square on the standard form of a quadratic equation. [7:34]

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CCSS: Adaptable
Concepts
completing the square, quadratic formula
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Additional Tags
complete the square, deriving the quadratic formula, quadratic formula proof, khan academy, khan academy math
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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