Derive the equation of the parabola with a focus at (2, - 1) and a directrix of y = - one half.
f (x) = - (x + 2) 2 - three fourths
f (x) = (x + 2) 2 + three fourths
f (x) = - (x - 2) 2 + three fourths
f (x) = - (x - 2) 2 - three fourths
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Home » Mathematics » Derive the equation of the parabola with a focus at (2, - 1) and a directrix of y = - one half. f (x) = - (x + 2) 2 - three fourths f (x) = (x + 2) 2 + three fourths f (x) = - (x - 2) 2 + three fourths f (x) = - (x - 2) 2 - three fourths