Question

Using a directrix of y = -3 and a focus of (2, 1), what quadratic function is created?

f(x) = 1/8(x - 2)2 - 1

f(x) = -1/8 (x + 2)2 - 1

f(x) = 1/2(x - 2)2 + 1

f(x) = -1/2 (x + 2)2 - 1

Answer 1

@skullpatrol

Answer 2

@skullpatrol can you please help me!

Answer 3

@cwrw238