What are the vertex and x-intercepts of the graph of the function below?
y = x2 - 2x - 24

A. Vertex: (1.23); Intercepts: x = 4, -6
B. Vertex: (1,-25); Intercepts: x = -4,6
C. Vertex: (1, 23); Intercepts: x = -4, 6
D. Vertex: (1.-25); Intercepts: x = 4,-6