Find the equation of the parabola that has zeros of x = –1 and x = 3 and a y-intercept of (0,–9). Question 10 options:

A)

y = x2 – 2x + 9

B)

y = x2 – 2x – 9

C)

y = 3x2 – 6x – 9

D)

y = 3x2 – 6x + 9