A set of example problems and exercises on linear inequalities in two variables. Includes how to write them using a graph or a table of values.

[Free Registration/Login may be required to access all resource tools.] This lesson covers graphing inequalities in two variables.

Get information about solving systems of equations in three variables by viewing examples and a video lesson. [6:35]

Given two points, the slope and a point, or the slope and the y-intercept, the student will write linear equations in two variables.

Discusses how to solve systems of equations in two variables by reviewing ans showing examples of the four methods of solving linear equations: substitution, elimination, matrices, and graphing.

[Free Registration/Login may be required to access all resource tools.] Graph linear inequalities to find solutions.

An introduction to the history of linear equations and how they relate to science.

The name linear comes from the fact that such an equation in two unknowns or variables represents a straight line. A set of such equations is called a system. This site explains all this and more.

This activity shows an example of how to solve a system of equations using elimination. Each step is explained in detail. Additional links are provided for more information on properties of equality, solving equations, and solving a...

When given a table, equation or verbal description, students will solve one- and two-variable equations and inequalities using algebraic steps or graphing methods.

You've had practice with a few different forms of linear equations. In this exercise, you must study the line graph and write the equation for it in whichever format you choose. Students receive immediate feedback and have the...

[Free Registration/Login may be required to access all resource tools.] This lesson covers testing ordered pairs to see if they are solutions to a linear inequality in two variables.

The topic summary outlines systems of linear equations and matrices. Some topics reviewed are linear equations in two unknowns, augmented matrix, and Gauss Jordan row reduction. The resource consists of definitions, notes, and examples.

In this exercise, students practice graphing solutions to two-variable linear equations. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Given the x or y value of a 2-variable equation solution, find the value for the other variable in the solution. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

The method of graphing to solve a system of linear equations is demonstrated on this site. Students are shown how to graph the lines, then shown how to find the solution.

Tracking equipment is used to help ship navigators traveling in dense fog determine if they are in danger of colliding with other ships that may be in the area. For this activity, we are going to assume two ships are traveling along...

[Free Registration/Login may be required to access all resource tools.] Solve linear systems using multiplication.

Find a concise explanation of how to graph a linear equation. An example is given and clearly explained.

This interactive linear system solver allows you to enter two linear equations in general form and then plot the lines and find the answer using either substitution or elimination. The answer is presented with both methods accompanied by...

[Free Registration/Login may be required to access all resource tools.] Recognize an ordered pair as a solution to an equation in two variables and use tables to find solutions.

A nice tutorial on how to graph linear equations. Goes through the process step by step and gives numerous examples.

Find a quick, concise explanation of how to solve systems of linear equations algebraically and graphically. Examples are given and clearly explained.

Gain an understanding of how to solve linear equations by viewing an example and a video lesson. [3:01]