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anonymous

  • one year ago

Derive the equation of the parabola with a focus at (2, 4) and a directrix of y = 8.

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  1. anonymous
    • one year ago
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    differentiation with respect to which variable?

  2. anonymous
    • one year ago
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    I'm not sure what you're asking?

  3. anonymous
    • one year ago
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    For me this is more of a process issue than anything else.

  4. anonymous
    • one year ago
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    First, put the information of the problem in a graphic |dw:1435786785608:dw| Then, for theory you know that the parabola opens with opposite direction of where your directrix. and looking at its focus. So you have this graphic |dw:1435786971683:dw|

  5. anonymous
    • one year ago
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    sorry for the late. I had problems with the editor ._. I think is like this..

  6. anonymous
    • one year ago
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    That looks about right, Thanks!

  7. anonymous
    • one year ago
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    p is negative

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spraguer (Moderator)
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