Consider the following quadratic equation y=2(x-7)^2
A: the equation has one solution and the solution is different from the vertex of the graph of the equation
B: The equation has one solution and the solution is the same as the vertex of the graph of the equation.
C: The equation has two solutions, neither of which is the vertex of the graph of the equation.
D:The equation has two solutions, one of which is the vertex of the graph of the equation.