# precalculus

Find the focus, directrix, and focal diameter of the parabola.
9x + 7y2 = 0
focus = -9/28,0
fd =9/7
directrix= -9/28 (this ans. is incorrect) what am I missing? pls help

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1. Well, what do you know ...

your problem is actually on its own webpage

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posted by Reiny

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