Write an equation for the quadratic graphed below

Question

x-intercepts: (-2,0) and (1,0). y-intercept: (0,-2)

Answer 1

the x-intercepts tell us that
y = a(x+2)(x-1)
Now plug in (0,-2) to find a.
-2 = a(2)(-1)
a = 1
so y = (x+2)(x-1)

Answer 2

tf type of response is this @oobleck

Answer 3

Write an equation for the quadratic graphed below
x-intercepts: (-2,0) and (1,0). y-intercept: (0,1)