In math, as in life, small choices can have big consequences. This is especially true in graph theory, a field that studies networks of objects and the connections between them. Here’s a little puzzle ...

Graphs are a useful way to show numerical data. There are a variety of graphs that can help highlight patterns and be used to reach conclusions. Choosing the right graph is very important. Bar charts ...

The four quadrants allow coordinates with negative and positive values to be plotted. The \(x\)-axis is labelled with positive numbers increasing to the right and negative numbers decreasing to the ...