Вопрос:

Ответ:

\[y = 2x^{2}\]

\[y = 200:\]

\[2x^{2} = 200\]

\[x^{2} = 100\]

\[x = - 10 \rightarrow y = 200;\]

\[x = 10 \rightarrow y = 200.\]

\[Ответ:( - 10;200);\ \ (10;200).\]