Slope is found by using the formula:
[tex]S=\frac{y_2-y_1}{x_2-x_1}[/tex]This is the ratio of the change in y to the change in x.
Where:
[tex]\begin{gathered} y_1,y_2_{} \\ \text{are the coordinates of the y-axis} \\ \\ x_1,x_2 \\ \text{are the coordinates of the x-axis} \end{gathered}[/tex]