In this short video review why you do the same thing to both sides of an equations to keep balance.

Students can review systems of equations and inequalities with infinite solutions in this short video.

Review systems of equations without a solution in this short video.

This video has worked examples of working with newly defined operators.

Explore functions and how to recongize a function.

The purpose of this video is introduce and define the less than (<) sign. Students can watch a video tutorial and then take an online quiz.

In this tutorial, you will learn all about the not equal sign, including what it looks like, and when to use it. Students can watch a video tutorial and then take an online quiz.

In this lesson, you will determine if a linear model shows a positive, negative, zero or undefined slope by analyzing linear function word problems. [3:58]

In this video, you will learn how to write equivalent expressions by finding and using the Multiplicative Inverse. [3:24]

In this lesson, you will learn how to read from a graph by estimating between gridlines. [5:15]

Watch as Professor Perez demonstrates the process of evaluating expressions and solving equations. [8:17]

Review consistent and inconsistent systems in this short video.

An advanced problem from an IIT JEE exam on algebraic manipulation. IIT JEE stands for: Indian Institute of Technology Joint Entrance Examination. [13:11]

This site teaches students how to interpret expressions that represent a quantity in terms of its context, interpret parts of an expression, such as terms, factors, and coefficients, and use the structure of an expression to identify...

This lesson demonstrates how to write out a multi-step inequality.

In this lesson, students will learn Determining the Slope of an Incline