Inequalities that use \(\textless\) or \(\textgreater\) 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 ...

Households at the top saw the biggest gains. Those at the bottom stagnated. But what about the people in between? Here's the story of income inequality in America over the past 40 years. Hover over ...

Show values that satisfy an inequality on a set of axes by drawing the line of the corresponding equation and shading the area specified in a question. Include a dashed line for inequalities where the ...