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OpenStudy (anonymous):
What is the equation of the directrix for the conic section shown below? x^2=24y A. y= 9 B. x = 4 C. x= -9 D. y= -6
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OpenStudy (anonymous):
Using my current knowledge, because we have the equation of 4p(y – k) = (x – h)^2, we get the 'p' value to equal 6. The only answer on there is -6, so I am assuming that letter 'D' would be the correct answer. Please help!
OpenStudy (anonymous):
I was correct. It was letter D.
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