\[\boxed{\mathbf{968\ (968).\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[y = x^{2} - 6x + c\]
\[1)\ (0;0):\ \ \]
\[0 = 0 + c \Longrightarrow \ \ c = 0;\]
\[2)\ x_{0} = \frac{6}{2} = 3;\ \ (3;0):\ \ \]
\[0 = 9 - 18 + c \Longrightarrow \ c = 9;\]
\[3)\ A(0;\ - 4):\ \]
\[\ - 4 = 0 + c \Longrightarrow \ \ c = - 4;\]
\[4)\ \text{B\ }(2;0):\ \ \]
\[0 = 4 - 12 + c \Longrightarrow \ \ c = 8.\]