Ответ:
\[Вершина\ \ C\ (0;4);\ \ \ \]
\[\text{D\ }( - 5;\ - 46).\]
\[\text{C\ }(0;4):\ \ \]
\[b = 0;\ \ \ c = 4.\]
\[\ y = ax^{2} + 4\]
\[25a + 4 = - 46\]
\[25a = - 50\]
\[a = - 2.\]

\[Вершина\ \ C\ (0;4);\ \ \ \]
\[\text{D\ }( - 5;\ - 46).\]
\[\text{C\ }(0;4):\ \ \]
\[b = 0;\ \ \ c = 4.\]
\[\ y = ax^{2} + 4\]
\[25a + 4 = - 46\]
\[25a = - 50\]
\[a = - 2.\]
