Instructional Video7:14
Curated Video

Derive the Quadratic Formula

9th - 12th
In this video I will derive the Quadratic Formula by Completing the Square to the standard form for a quadratic equation. Have you ever wondered where the quadratic formula came from? Do you struggle to understand why such a...
Instructional Video11:32
Let's Tute

Completing the Square - How to Solve Quadratic Equations

9th - Higher Ed
In this video we will know how to solve Quadratic Equations using Formula of Quadratic equations
Instructional Video7:34
Khan Academy

Quadratic Formula (Proof)

7th - 11th
This exciting video removes all of the mystery from the quadratic formula. By watching it, learners gain a deeper understanding of the formula and the process of completing the square. Sal shows step-by-step proof of how to get to the...
Instructional Video
Khan Academy

Khan Academy: Algebra: Quadratic Formula (Proof)

9th - 10th Standards
Explains how to derive the quadratic formula by completing the square on the standard form of a quadratic equation. [7:34]
Instructional Video
Khan Academy

Khan Academy: Algebra: Proof of Quadratic Formula

9th - 10th Standards
Demonstrates how to derive the quadratic formula from the standard form of a quadratic equation by completing the square. This video also appears in the Algebra: ck12.org strand. [7:44]
Instructional Video
Khan Academy

Khan Academy: Algebra: Quadratic Formula Proof

9th - 10th Standards
Students learn how to derive the quadratic formula by completing the square. The video tutorial investigates the mathematics concept through detailed notes and examples.