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    Sharpe's Avatar
    Sharpe Posts: 8, Reputation: 1
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    #1

    Jul 9, 2007, 08:51 PM
    Completing the square
    Hi I need help Completing the square...
    I just can't get this one
    y= -4x-24x-29
    derekwwp's Avatar
    derekwwp Posts: 12, Reputation: 1
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    #2

    Jul 10, 2007, 02:12 AM
    Not sure what you mean by "completing the square". The equation is simplified to y=-28x-29. Without a second corresponding equation, there is no single solution. If x=1, then y=-57 (-28-29), if x=2, y=-85(-56-29), if x=0, y=-29 (0-29), if x=-1, y=-1 (28-29), etc.

    Derek
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #3

    Jul 10, 2007, 04:03 AM
    I think there was a typo in the question as asked.

    Sharpe, can you clarify the equation?
    s_cianci's Avatar
    s_cianci Posts: 5,472, Reputation: 760
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    #4

    Jul 15, 2007, 07:55 PM
    I'll assume you meant -4x^2 - 24x - 29. Then, to complete the square, factor out the leading constant -4. Then handle the resulting expression in the usual manner. Just remember that the constant you end up adding to complete the square is actually multiplied by -4.
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #5

    Jul 15, 2007, 08:08 PM
    Use the general formula for completing the square.



    Makes it easier.
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