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    kkelly14's Avatar
    kkelly14 Posts: 2, Reputation: 1
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    #1

    Oct 30, 2006, 05:50 PM
    quaratic equation
    I need information on will the graph of y= -3x2 + to be thinner or wider then the graph of y=x2?
    kkelly14's Avatar
    kkelly14 Posts: 2, Reputation: 1
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    #2

    Oct 30, 2006, 05:51 PM
    Quote Originally Posted by kkelly14
    I need information on will the graph of y= -3x2 + 2 be thinner or wider then the graph of y=x2?
    I need information on will the graph of y= -3x2 + to be thinner or wider then the graph of y=x2?
    Kyo_of_Dir_en_grey's Avatar
    Kyo_of_Dir_en_grey Posts: 13, Reputation: 3
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    #3

    Nov 1, 2006, 05:36 PM
    Ok well I think what your asking is how do you tell the size apart as an equation. Try is this way. Take 5 numbers like -2,-1,0,1,2 and put them in place of y then do the equations for each. Make a sketched graph of each and then compare the sizes.
    s_cianci's Avatar
    s_cianci Posts: 5,472, Reputation: 760
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    #4

    Nov 1, 2006, 08:54 PM
    Thinner. When the lead coefficient of the x^2 term is >1 or< -1 (in this case it's -3 which is < -1) the graph gets thinner.
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