Question

Find the vertex and x-intercept(s) of the function given below.
y=(x-4)(x+2)
A. Vertex: (-4,2); Intercepts: x=3,-3
B. Vertex: (1,-5); Intercepts: x=4,2
C. Vertex: (-3,1); Intercepts: x=-4,-2
D. Vertex: (1,-9); Intercepts: x=4,2