How could you use a graphing calculator to determine whether you have correctly solved a quadratic equation by completing the square Select all that apply

A.
Compare the y-intercept of the graph to the solutions calculated.
B.
Compare the zeros of the graph to the solutions calculated.
C.
Compare the vertex of the graph to the vertex found after completing the square which places the equation in vertex form.
D.
Compare the maximum or minimum of the graph to the solutions calculated.