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Simplifying Complex Fractions

When you simplifying complex fractions, factor the numerator and denominator into terms multiplying each other and look for equivalents of one (something divided by itself). Include parenthesis around any...

Augmented Matrices

To solve a system of linear equations, we can use substitution, elimination or something we call augmented matrices. To use matrices to solve a system of linear equations, we first enter the values...

Solving Linear Equations

Equations are fundamental to Algebra, and solving linear equations is necessary for you to learn how to solve two-step equations, and other multi-step equations. Solving linear equations involves finding...

Periodic Trigonometric Functions

Periodic Functions: Sine and cosine are periodic functions, which means that sine and cosine graphs repeat themselves in patterns. You can graph sine and cosine functions by understanding their period and...
Standard Form of a Line

Standard Form of a Line

The standard form of a line puts the x and y terms on the left hand side of the equation, makes the coefficient of the x-term positive, and puts everything else on the right side. The standard form is not...
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