\[y = \frac{k}{x - x_{0}} + y_{0};\ \ \ \ \ \ x_{0} = - 4;\ \]
\[\ y_{0} = 2\]
\[y = \frac{k}{x + 4} + 2;\ \ \ \ \ ( - 1;1):\]
\[1 = \frac{k}{- 1 + 4} + 2\]
\[\frac{k}{3} = - 1\]
\[k = - 3.\]
\[Ответ:x_{0} = - 4;\ \ y_{0} = 2;\ \ \]
\[k = - 3.\]