The graph of $y=ax^2 + bx + c$ is a parabola with vertical axis of symmetry.  The vertex of this parabola is $(2,3)$ and the parabola contains the point $(4,4)$.  Find the value of $y$ when $x=6$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The graph of $y=ax^2 + bx + c$ is a parabola with vertical axis of symmetry.  The vertex of this parabola is $(2,3)$ and the parabola contains the point $(4,4)$.  Find the value of $y$ when $x=6$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
7
The graph of $y=ax^2 + bx + c$ is a parabola with vertical axis of symmetry.  The vertex of this parabola is $(2,3)$ and the parabola contains the point $(4,4)$.  Find the value of $y$ when $x=6$.
train