[tex]\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
&&(~ \frac{3}{10} &,& -5~)
&&(~ -\frac{1}{5} &,& -\frac{1}{5}~)
\end{array}[/tex]
[tex]\bf slope = m\implies
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-\frac{1}{5}-(-5)}{-\frac{1}{5}-\frac{3}{10}}\implies \cfrac{\stackrel{LCD~of~5}{-\frac{1}{5}+5}}{\stackrel{LCD~of~10}{-\frac{1}{5}-\frac{3}{10}}}
\\\\\\
\cfrac{\quad \frac{-1+25}{5}\quad }{\frac{-2-3}{10}}\implies \cfrac{\quad \frac{24}{5}\quad }{\frac{-5}{10}}\implies \cfrac{24}{5}\cdot \cfrac{10}{-5}\implies \cfrac{24}{5}\cdot -2
\\\\\\
-\cfrac{48}{5}\implies -9\frac{3}{5}[/tex]
