Question

Will Fan and Medal!!!
What is the equation of the quadratic graph with a focus of (5, −1) and a directrix of y = 1?

f(x) = −one fourth (x − 5)2 + 1
f(x) = one fourth (x − 5)2 + 1
f(x) = −one fourth (x − 5)2
f(x) = one fourth (x − 5)2

Answer 1

its c

Answer 2

thxs

Answer 3

sorry i cant explain it, im bad at explaining things. D:

Answer 4

its cool