\[\boxed{\text{32}\text{1}\text{\ (321).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[1)\ x = - 4:\]
\[\ y = - \frac{36}{- 4} = 9;\]
\[x = 0,9:\]
\[y = - \frac{36}{0,9} = - 40;\]
\[x = 18:\]
\[y = - \frac{36}{18} = - 2.\]
\[2)\ y = 6:\]
\[6 = - \frac{36}{x} \Longrightarrow \ \ x = - 6;\]
\[y = - 0,3:\]
\[- 0,3 = - \frac{36}{x} \Longrightarrow \ \ x =\]
\[= - \frac{36}{- 0,3} = 120;\]
\[y = 8:\]
\[8 = - \frac{36}{x} \Longrightarrow \ \ x = - 4,5.\]