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