\[y = x²\]
\[A( - 11; - 121):\]
\[- 121 = ( - 11)^{2}\]
\[- 121
eq 121\]
\[\Longrightarrow нет.\]
\[B(9;81):\]
\[81 = 9^{2}\]
\[81 = 81\]
\[\Longrightarrow да.\]
\[C( - 12;144):\]
\[144 = ( - 12)^{2}\]
\[144 = 144\ \]
\[\Longrightarrow да.\]