\[y = - \frac{x}{2} - 6\]
\[x = - 8:\ \ \]
\[\ y = - \frac{- 8}{2} - 6 = 4 - 6 = - 2.\]
\[x = 0:\]
\[y = - \frac{0}{2} - 6 = 0 - 6 = - 6.\]
\[x = 0,8:\]
\[y = - \frac{0,8}{2} - 6 = - \frac{8 \cdot 4}{2 \cdot 10} - 6 =\]
\[= - \frac{2}{5} - \frac{30}{5} = - \frac{32}{5} =\]
\[= - 6\frac{2}{5} = - 6,4.\]
\[x = 6:\]
\[y = - \frac{6}{2} - 6 = - 3 - 6 = - 9.\]