How to use the quadratic formula | Polynomial and rational functions | Algebra II | Khan Academy - Free Educational videos for Students in k-12


How to use the quadratic formula | Polynomial and rational functions | Algebra II | Khan Academy - By Khan Academy



DESCRIPTION:

This instructor in this video, Sal Khan, explains the 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:

How to use the 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.b.

This page not only allows students and teachers view How to use the 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.b : Solve quadratic equations by inspection (e.g., for x2 = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. Recognize when the quadratic formula gives complex solutions and write them as a ± bi for real numbers a and b..


GRADES:

9
10
11
12


STANDARDS:

HSA.REI.B.4.b

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