Proof of quadratic formula | Polynomial and rational functions | Algebra II | Khan Academy - Free Educational videos for Students in K-12 | Lumos Learning

## Proof of quadratic formula | Polynomial and rational functions | Algebra II | Khan Academy - Free Educational videos for Students in k-12

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#### DESCRIPTION:

This instructor in this video, Sal Khan, in an understandable manner, discusses how to prove a quadratic formula. Mr. Khan uses computer software (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. The viewer may want to open the video to 'full screen' as the instructor fits a lot of information on a dark screen.

#### OVERVIEW:

Proof of quadratic formula | Polynomial and rational functions | Algebra II | Khan Academy is a free educational video by Khan Academy.It helps students in grades 9,10,11,12 practice the following standards HSA.REI.B.4.a.

This page not only allows students and teachers view Proof of quadratic formula | Polynomial and rational functions | Algebra II | Khan Academy but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.

1. HSA.REI.B.4.a : Use the method of completing the square to transform any quadratic equation in xinto an equation of the form (x - p)2 = q that has the same solutions. Derive the quadratic formula from this form..

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HSA.REI.B.4.a

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