What is the equation, in standard form, of a parabola that models the values in the table

x (-2,0,4)
F(x) (2.5,1.5,-60.5)

1 answer

4a-2b+c = 5/2
c = 3/2
16a+4b+c = -121/2

F(x) = -5/2 x^2 - 11/2 x + 3/2