Question

What are the vertex and x-intercepts of the graph of the function below?
y =(x-4)(x+2)
A. Vertex: (-4, 2); Intercepts: x = 3,-3
B. Vertex: (1,-5); Intercepts: x = -4,2
C. Vertex: (1,-9); Intercepts: x = 4,-2
D. Vertex: (1,9); Intercepts: x = -4,-2

Answer 1

B. Vertex(1,-5); intercepts x=-4,2