What is the equation of the quadratic graph with a focus of (−4, 2one eighth) seventeen eighths and a directrix of y = fifteen eighths?

f(x) = −2x2 + 16x − 24

f(x) = −2x2 + 15x − 2

f(x) = 2x2 + 12x − 10

f(x) = 2x2 + 16x + 34

Question

What is the equation of the quadratic graph with a focus of (−4, 2one eighth) seventeen eighths and a directrix of y = fifteen eighths?

 f(x) = −2x2 + 16x − 24

 f(x) = −2x2 + 15x − 2

 f(x) = 2x2 + 12x − 10

 f(x) = 2x2 + 16x + 34

anonymous · Answer

@satellite73 do you know this one?

anonymous · Answer

@cwrw238 do you know this one?