8. Given f(x)= a(x-h)² + k is the vertex form of a parabola.
If a < 0, h> 0 and k < 0, then which of the following are true?
I. The vertex of f(x) Is In quadrant 2
II. The vertex of f(x) is in quadrant 4
III. f(x) has no x-intercepts
IV. f(x) has no y-intercepts
A. I and IV
B. II and IV
C. I and III
D. II and III