[TUTORIAL] Quadratic Functions and Equations 1

Have you ever wonder, where did the mightly quadratic formula come from?

This is the FIRST video of the NEW Series: Quadratic Series. This video covers the introduction to quadratic equation and proof of quadratic formula by completing the square

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Support me on YouTube: https://youtu.be/DY99LbxNlKw

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Check out other videos in this series

PERFECT! Introduction to Quadratic Equation and Completing the Square [Quadratic Series 1] https://odysee.com/@e-math_Video:6/-LECTURE--Quadratic-Functions-and-Equations-1:9

THIS IS COMPLEX! Nature of Roots and Discriminant [Quadratic Equation #2] https://odysee.com/@e-math_Video:6/-LECTURE--Quadratic-Functions-and-Equations-2:3

"NEW" Method! Different Approach to Quadratic Equation [Quadratic Equation #3] https://odysee.com/@e-math_Video:6/-LECTURE--Quadratic-Functions-and-Equations:4

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[SUGGESTED READING]

1. FOIL Operation http://www.mesacc.edu/~scotz47781/mat120/notes/polynomials/foil_method/foil_method.html

2. The Quadratic Formula – An Intuitive Explanation https://mindyourdecisions.com/blog/2015/10/02/the-quadratic-formula-an-intuitive-explanation/

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Background Music: Splashing Around by The Green Orbs Downloaded from Youtube Audio Library [Royalty Free]

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Other sources:

1. What is Quadratic Formula https://www.youtube.com/watch?v=3sOViKaYnt8 (Clip from Sakurasou no Pet na Kanojo - Episode 5, original by J.C. Staff)

2. “Am I a joke to you” meme https://knowyourmeme.com/memes/am-i-a-joke-to-you

3. I have a graphing calculator now yay https://www.reddit.com/r/teenagers/comments/brtz4c/i_have_a_graphing_calculator_now_yay/

4. “Roll Safe” meme https://knowyourmeme.com/memes/roll-safe

5. “Drakeposting” meme https://knowyourmeme.com/memes/drakeposting

I DO NOT OWN ANY PART FROM THE CONTENT ABOVE

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Feel Free to download the printouts:

Part 1: Introduction and Completing the Square https://drive.google.com/open?id=18K2rfG-MOx5tGFuSNsApfnA1J1elDCEx

Part 2: Complex Number and Discriminant https://drive.google.com/open?id=1Bv9_ih8XbEyf84dXbJxOLor0eH-cFMCd

Part 3: S.O.R., P.O.R. and new method https://drive.google.com/open?id=1v-_jUL2Orn3A03hJwYCR3ECpx8SqpyrK

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Timestamp

0:00 Introduction 1:10 Definition of Quadratic Equation 1:45 Relationship between Quadratic Function and Quadratic Equation 3:25 Equation solving principles 4:07 Factorisation (Reverse FOIL method) 4:45 Graphical method 7:16 Perfect Square 7:53 Completing the Square 11:15 Quadratic Formula

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Let's do math for fun!