SOLUTION: write the equation of the parabola if its focus is at (0,10), and the equation of its directrix is y=-10
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Question 994973
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write the equation of the parabola if its focus is at (0,10), and the equation of its directrix is y=-10
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josgarithmetic(39620)
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These presentations will help:
Derive equation of parabola, from Focus and Directrix
Same idea, but for vertex NOT at Origin
(