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14 May, 19:24

Derive the equation of the parabola with a focus at (2, - 1) and a directrix of y = - =

2

f (x) = - (x + 2) 2 - 3

4

7

3

f (x) = (x + 2) 2 +

4

3

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

4

3

f (x) = - (x - 2) 2 -

4

+2
Answers (1)
  1. 14 May, 20:39
    0
    the second one is right
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