Understanding algebra is the key to advanced mathematics. The lessons below walk you through how to solve common algebra problems and how to think about different algebra concepts.

## Introduction

## The basics (before algebra)

## Algebraic expressions and simplifying

### Operations with polynomials

## Solving equations

- How to solve linear equations with one variable
- Solving quadratic equations with the quadratic formula
- Absolute value equations
- Using wolfram alpha to solve equations

## Graphing

### General

### The graphs of linear equations

- Finding the slope of a line
- Lines with a slope of zero
- Lines with undefined slope
- Graphing linear equations
- The standard form of a line

## Systems of equations

## Functions

## Matrices

- Matrix notation and the size of a matrix
- Adding and subtracting matrices, and multiplying a matrix by a constant
- Multiplying matrices (includes animation of the process)
- Multiplying matrices on the TI83 or 84 calculator