All straight line graphs have an equation that can be written in the form 𝑦 equals 𝑚𝑥 add 𝑐, where 𝑚, the coefficient of the 𝑥 term, is the gradient or slope of the line. The constant, 𝑐, is ...
The type of graph you use depends on the type of data you want to represent. In a bar chart, the height of the bar shows the frequency of the result. As the height of bar represents frequency, the ...