Khan Academy: "Graphing and Solving Linear Inequalities"

Complete the exercise, which will help you obtain mastery in graphing and interpreting the solutions of the linear inequalities in two variables. Drag the blue dots to move the line to the correct position and select the appropriate shading and line option (solid or dashed) to represent the given inequality. Then, determine whether the given ordered pairs of numbers are the solutions to this inequality. Once you are done, select "Check Answer." If your graph and answers are incorrect, you will be prompted to try again. If it is correct, you can click on "Correct! Next Question" to move to the next problem.