closed.

1 Enter the coefficient of the quadratic term -> -4 2 Enter the coefficient of the linear term -> 0 3 Enter the constant term -> 64 5 For the quadratic equation -4x^2 + 64 0: 7 Discriminant: 1024.000 8 Axis of Symmetry: x -0.000 9 Vertex: (0.000, 64.000) 10 y-intercept: (0.000, 64.000) 11 x-intercepts: (4.000, 0.000) and (-4.000, 0.000) 12 Shape: Concave downward 13 Roots:-4.000, 4.000