Question

What is the equation of the quadratic graph with a focus of (2, − 2) and a directrix of y = 0?

f(x) = −one fourth (x − 2)2 − 1

f(x) = −one fourth (x − 2)2 + 1

f(x) = −one fourth (x − 2)2

f(x) = one fourth (x − 2)2 + 1