Ответ:
\[y = - 2x²\]
| \[x\] | \[0\] | \[1\] | \[- 1\] | \[2\] | \[- 2\] |
|---|---|---|---|---|---|
| \[y\] | \[0\] | \[- 2\] | \[- 2\] | \[- 8\] | \[- 8\] |

\[- 2x^{2} = - 8\]
\[x^{2} = 4\]
\[x = \pm 2.\]
\[y = - 2x²\]
| \[x\] | \[0\] | \[1\] | \[- 1\] | \[2\] | \[- 2\] |
|---|---|---|---|---|---|
| \[y\] | \[0\] | \[- 2\] | \[- 2\] | \[- 8\] | \[- 8\] |

\[- 2x^{2} = - 8\]
\[x^{2} = 4\]
\[x = \pm 2.\]