Question

Using a directrix of y = 5 and a focus of (4, 1), what quadratic function is created?
f(x) = one fourth (x − 4)2 − 3
f(x) = one eighth (x + 4)2 − 3
f(x) = −one eighth (x − 4)2 + 3
f(x) = −one fourth (x + 4)2 − 3

Answer 1

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