[tex]\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
A&({{ -18}}\quad ,&{{ 24}})\quad
% (c,d)
B&({{ 16}}\quad ,&{{ -8}})
\end{array}
\\\\\\
% slope = m
slope = {{ m}}= \cfrac{rise}{run} \implies
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{-8-24}{16-(-18)}\implies \cfrac{-8-24}{16+18}
\\\\\\
\cfrac{-32}{34}\implies -\cfrac{16}{17}[/tex]
