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Math Help - Anyone Good with conics?

  1. #1
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    Anyone Good with conics?

    The length of the latus rectum of 25x^2 + 9y^2 - 150x - 90y + 225 = 0 is _______
    1)18/5
    2)16/15
    3)225/25
    4)15/16

    The length of the latus rectum of 25x^2 - 36y^2 = 225 is _______
    1)5/6
    2)9/6
    3)25/6
    4)6/25

    Multiple choice problems
    IDK how to find the latus rectum, i think i was absent that day.
    Anyone wanna help?=]
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  2. #2
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    Quote Originally Posted by Minieke View Post
    The length of the latus rectum of 25x^2 + 9y^2 - 150x - 90y + 225 = 0 is _______
    1)18/5
    2)16/15
    3)225/25
    4)15/16

    The length of the latus rectum of 25x^2 - 36y^2 = 225 is _______
    1)5/6
    2)9/6
    3)25/6
    4)6/25

    Multiple choice problems
    IDK how to find the latus rectum, i think i was absent that day.
    Anyone wanna help?=]
    A good start would be to get a copy of the class notes that you missed that day. Once you have those notes and have worked through them, you might be able to answer these questions. If not, please post what you know and where you get stuck.
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