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Thread: Completing the square

  1. #1
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    Completing the square

    How do you complete the square of (-2y^2 +2yz -z^2)/2

    into the form -(a((x-b)^2))/2

    Thanks Adam
    Last edited by adam_leeds; Jun 1st 2010 at 03:32 AM.
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  2. #2
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    Quote Originally Posted by adam_leeds View Post
    How do you complete the square of (-2y^2 +2yz -z^2)/2

    Thanks Adam

    \frac{-2y^2 + 2yz - z^2}{2}

    -\frac{y^2 + y^2 - 2yz + z^2}{2}

    -\frac{y^2 + (y-z)^2}{2}

    ... that's about all i could do with it.
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  3. #3
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    thanks
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  4. #4
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    Any other ideas?
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  5. #5
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    Quote Originally Posted by adam_leeds View Post
    How do you complete the square of (-2y^2 +2yz -z^2)/2

    into the form -(a((x-b)^2))/2

    Thanks Adam
    It cannot be put into that form. (By the way, what is x meant to be? The variables of your problem are y and z).
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