\[\boxed{\text{984\ (984).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[\text{C\ }(8;\ - 12);\ \ (0;0)\]
\[y = kx + b\ \]
\[0 = 0 + b \Longrightarrow \ \ b = 0\]
\[y = \text{kx}\text{\ \ }\]
\[- 12 = 8k\ \]
\[k = - 1,5 \Longrightarrow y = - 1,5x.\]