The formula for finding the slope of a line is \(\frac{ y_{2}- y_{1} }{ x_{2}- x_{1} }\). Where you plug in the x- and y-values of two points that the line passes through.
\(\frac{2 - 2}{5 - 1}\) Subtract
\(\frac{0}{4}\) Simplify
0
The slope of the line is 0.
