Question

Using a directrix of y = -2 and a focus of (2, 6), what quadratic function is created?

f(x) = -one eighth (x - 2)2 - 2

f(x) = one sixteenth (x - 2)2 + 2

f(x) = one eighth (x - 2)2 - 2

f(x) = -one sixteenth (x + 2)2 - 2

Answer 1

@SolomonZelman

Answer 2

I haven't; done those since the begging of the last school year, I don;t remember, sorry :)

Answer 3

@SolomonZelman thanks anyways :)

Answer 4

@Questioner1