\[\left\{ \begin{matrix} xy = 4\ \ \ \ \ \ \ \ \ \ \ \\ 2x - y = - 2 \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ \ }\left\{ \begin{matrix} y = \frac{4}{x}\text{\ \ \ \ \ \ \ \ \ \ } \\ y = 2x + 2 \\ \end{matrix} \right.\ \]
\[y = \frac{4}{x}\]
\[x\] | \[- 4\] | \[- 2\] | \[- 1\] | \[1\] | \[2\] | \[4\] |
---|---|---|---|---|---|---|
\[y\] | \[- 1\] | \[- 2\] | \[- 4\] | \[4\] | \[2\] | \[1\] |
\[y = 2x + 2\]
\[x\] | \[- 1\] | \[0\] | \[1\] | \[2\] |
---|---|---|---|---|
\[y\] | \[0\] | \[2\] | \[4\] | \[6\] |
\[Ответ:(1;4);\ \ ( - 2;\ - 2).\]