EHB explains, each video relates to a specific topic in math to help students "through the tough parts...math is hard enough as it is, so hopefully these videos will make it a bit easier for you."
These and other video series are indexed in this guide to help students locate the specific content they are looking for.
Section 0. Review
Section 1. Linear Equations and Inequalities
Section 2. Graphs, Relations, and Functions
Section 3. Linear Functions and their Graphs
Section 4. Systems of Linear Equations and Inequalities
Section 5. Polynomials and Polynomial Functions
Section 7. Radicals and Rational Exponents
Section 8. Quadratic Equations and Functions