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Graphing Inequalities with Two Variables 




 
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More Lessons for Basic Algebra

Math Worksheets

A series of free Basic Algebra Lessons.

In this lesson, we will learn how to graph inequalities with two variables on the coordinate plane.

Just like equations, sometimes we have two variables in an inequality. Graphing inequalities with two variables involves shading a region above or below the line to indicate all the possible solutions to the inequality. When graphing inequalities with two variables, we use some of the same techniques used when graphing lines to find the border of our shaded region.

Solving and graphing linear inequalities in two variables (part 1)

Solving and graphing linear inequalities in two variables (part 2)



Solving and graphing linear inequalities in two variables (part 3)
This video shows how to graph a linear inequality with two variables.


 
This is an example of how to graph a linear inequality with two variables using the intercept method.
This is an example of how to graph a linear inequality given in slope-intercept form.


This video shows graphing linear inequalities in 2 variables.
This video involves linear inequalities in two variables. Topics include: graphing the solution, determining if a line should be solid or dashed, determining which half-plane to shade.


 

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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