"i": Imaginary Numbers and Complex numbers and how to work with them
5:01
Parabolas That Open Sideways, aka Horizontally: x=1/4p (y-k)^2 + h
7:10
Learn to Square any 2 digit number I Math Tricks and Tips
6:40
Is My Quadratic Factorable?
3:39
Three Tips For Learning Math on Your Own
5:42
Percentages made easy - fast shortcut trick!
23:50
Lesson 31 English Reading & Spelling Rules
8:10
Solving Nonlinear Systems of Equations: How to find the intersections of lines and parabolas.
9:29