## Lecture Notes

### Precalculus

#### Lecture Notes

Click on linked topics to view lecture notes.

Lines

Quadratic Equations

An Easier Way to Solve Quadratic Equations

More Equation Solving

Solving Linear Inequalities

Nonlinear Inequalities

Absolute Value Equations and Absolute Value Inequalities

Symmetry and Transformations I

Symmetry and Transformations II

Combining Functions

One-to-One Functions and Inverse Fucntions

Analyzing Graphs of Quadratic Functions

Polynomials Functions and Models

Graphing Polynomial Functions

Dividing Polynomials

Zeros of Polynomials

What is an angle?

Some Important Formulas from Precalculus for Freshmen Calculus