Mathematics, 23.09.2019 23:30 BigGirlsTheBest

If a parabola has a vertex of (1,2) and a directrix of y=2.5, find the coordinate of the parabola's focus. (15 points)

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If a parabola has a vertex of (1,2) and a directrix of y=2.5, find the coordinate of the parabola's...