Instructional Video

Using the Quadratic Formula

It's the video your algebra class has been waiting for - Sal explains the quadratic formula! He describes it as "one of at least the top five most useful formulas In mathematics" and recommends that it be memorized, as long as one also remembers how to prove it. The rest of the video contains several clear and helpful applications of the formula in quadratic equations.

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Resource Details
Grade
7th - 11th
Subjects
Math
2 more...
Audiences
For Teacher Use
1 more...
Instructional Strategy
Flipped Classroom
Accessibility
Closed Captions
Usage Permissions
Creative Commons
BY-NC-SA: 3.0
cc