A line graph connects individual data points that reflect numerical values. It is used to visualize the relationship between dependent and independent variables.

A line graph could be used to show the changes in a country's employment structure over time. This graph shows that in the post-industrial era approximately 11% of employed people work in primary ...

Working with the general equation of a straight line, 𝑦 = 𝑚𝑥 + 𝑐, use the interactive activity to see what a graph looks like when plotted. Select values for 𝑚, the gradient, and ...