What are the vertex and x-intercepts of the graph of y= x2 - 4x - 21? Select
one answer for the vertex and one for the x-intercepts.
A. Vertex: (-2, -9)
B. x-intercepts: (3.0), (-7,0)
C. Vertex: (2,-25)
D. x-intercepts: (3.0), (7,0)
E. x-intercepts: (-3,0), (7,0)
F. Vertex: (2, 13)