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.

Three Types of Exponential Expressions

The Slope of a straight line.

Forms of equations in two variables.

System of two equations in two variables.

Solving Systems of two equations in two variables using method of elimination.

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.

Discriminant of the Quadratic Equation.

Discriminant of the Quadratic Function.

Precalculus:

Complex numbers

Composite Functions

Physics:

Common Velocity in Collisions

Sound Wave

Speed and Velocity