[tex]\bf (\stackrel{x_1}{0}~,~\stackrel{y_1}{-2})~\hspace{10em} \stackrel{slope}{m}\implies 0 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-2)}=\stackrel{m}{0}(x-\stackrel{x_1}{0})\implies y+2=0\implies y=-2[/tex]
