Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.f(x) = x2 + 2x - 8

Question

A.

Vertex (- 1, - 9); 
x-int = (4,0) and (2, 0); 
y-int = (0, -8)
B.

Vertex (1, - 9); 
x-int = (-2,0) and (4, 0); 
y-int = (0, 8)
C.

Vertex (1, - 9); 
x-int = (-2,0) and (4, 0); 
y-int = (0, -8)
D.

Vertex (- 1, - 9); 
x-int = (-4,0) and (2, 0); 
y-int = (0, -8)

Answer 1

Answer: D