Inequalities that use < or > symbols are plotted with a dashed line to show that the line is not included in the region. Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that ...

Plotting graphs of inequalities works almost exactly the same way as plotting graphs. Simple inequality graphs can be plotted parallel to the \(x\) or \(y\) axes and tables of values can help to plot ...

Here's the story of income inequality in America over the past 40 years. Hover over each line to identify household income, and click through to see the percentage growth over the past 40 years. The ...