Algebra 1
:
Absolute Value Lesson 1
Understanding of an Absolute Value Equation
Absolute Value Equation Lesson 1
Absolute Value Equation Lesson 2
Absolute Value of two Expressions
Solving an Absolute Value Inequality Example 1
Solving an Absolute Value Inequality Example 2
Lowest Common Denominator (LCD)
Greatest Common Factor (GCF)

Algebra 2
:
Solving quadratic equation by completing the square. Lesson 1
Solving quadratic equation by completing the square. Lesson 2
Adding and Subtracting Rational Expressions.
Factoring Quadratic Trinomials with Leading Coefficient a=1.

College Algebra:
How to find a vertex of a parabola
Converting Standard form of quadratic function to vertex form.
Graphing a parabola.
Intercept Points of a parabola.

Precalculus:
Complex numbers
Function Composition 
Physics:
Common Velocity in Collisions
Sound Wave
Speed and Velocity
