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 ...

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 ...

You might have heard about recent reports stating that global inequality is decreasing. This is a nice example of constructing the comparison according to the result you would like to see. Yes, ...

In China, lots of excellent maths students take an active interest in various maths contests and the best six senior high school students will be selected to form the IMO National Team to compete in ...

Linear functions are used to model a broad range of real-world problems. The ability to solve linear equations and inequalities is an essential skill for analysing these models. This section covers ...

“Inequality is bad for economic growth and bad for poverty reduction. In the past researchers were not able to exactly quantify the effect of inequality in the context of economic shocks. This graph ...

In China, lots of excellent maths students take an active interest in various maths contests and the best six senior high school students will be selected to form the IMO National Team to compete in ...

This graph tells you that the richest 1 percent has captured more than half of income growth during periods of economic expansion in the 21st century. If more people knew that, would they support ...

A new study from the Congressional Budget Office tells us what we all (should) already know: income inequality is real and the causes are terrifyingly inextricable. Income inequality is a myth. That ...

Scholars have identified that inequality is a notable detriment to well-being. Status-signaling luxury expenditure is taken as a symptom of the reduced well-being associated with income inequality.