[tex]\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ 90}}\quad ,&{{ 93}})\quad
% (c,d)
&({{ -4}}\quad ,&{{ 49}})
\end{array}
\\\\\\
% slope = m
slope = {{ m}}= \cfrac{rise}{run} \implies
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{49-93}{-4-90}\implies \cfrac{-44}{-94}
\\\\\\
\cfrac{22}{47}[/tex]
