\[y = x^{2}.\]
\[A( - 10; - 100):\]
\[- 100 = ( - 10)^{2}\]
\[- 100 \neq 100\]
\[\Longrightarrow нет.\]
\[B(8;64):\]
\[64 = 8^{2}\text{\ \ \ }\]
\[64 = 64\]
\[\Longrightarrow да.\]
\[C( - 6;36):\]
\[36 = ( - 6)^{2}\]
\[36 = 36\]
\[\Longrightarrow да.\]