Question

Someone Pleasse help !!! What are the vertex & 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,-9) Intercepts x = -4, 2
C. Vertex (1, 9) Intercepts x = -4, -2
D. Vertex (1, -9) intercepts X =4, -2

Answer 1

the answer is B. i put the formula into my calculator & it gave me the information as well as stuff i really dont need lol.