Mathematics, 09.10.2019 12:20, cmcdonnell8812

Aparabola has a vertex at the origin. the equation of the directrix of the parabola is y = 3. what are the coordinates of its focus? (0,3) (3,0) (0,–3) (–3,0)

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Aparabola has a vertex at the origin. the equation of the directrix of the parabola is y = 3. what a...