How to Solve Using the Quadratic Formula! [Algebra 2]
8:38
You use the quadratic formula all the time, but where did it come from?
10:08
How to Solve Quadratic Equations by Factoring! [Algebra 2]
6:25
Why Does the Quadratic Formula Work?
3:02
The Better Quadratic Formula You Won't Be Taught
7:45
How to Solve Quadratic Equations by Completing the Square! [Algebra 2]
10:00
Master Imaginary Numbers in 10 Minutes! [Algebra 2]
13:55
Imaginary numbers aren't imaginary
10:16