The slope m of a line can be found by dividing the difference between two y-values by the difference between the respective x-values:
We can use, for example, the first two points of the table. So we have:
x₁ = 1
x₂ = 3
y₁ = 2
y₂ = 10
Now, using those values in the above formula, we obtain:
Therefore, the slope of the line is 4.