Question: (a) Give a geometric definition of a parabola. (b) Write an equation of a parabola with focus (0, p) and directrix y = p.

(a) Give a geometric definition of a parabola.
(b) Write an equation of a parabola with focus (0, p) and directrix y = – p. What if the focus is (p, 0) and the directrix is x = – p?

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