400
                                Which statement about parabolas is not true?
A.  Negative quadratics frown.
B.  The standard form is y = ax^2 + bx + c.
C.  The vertex has the same y as the axis of symmetry.
D.  The x-intercepts, roots, and zeros are the same.
                                C.  The vertex has the same y as the axis of symmetry.