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Math Help - Value of t ?

  1. #1
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    Question Value of t ?

    Can somebody please help me solve this quadratic equation :

    275 000 000 = -7.2t^2 + 96t + 18 ??

    What is the value of t ?
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by mathcalculushelp View Post
    Can somebody please help me solve this quadratic equation :

    275 000 000 = -7.2t^2 + 96t + 18 ??

    What is the value of t ?
    Hi mathcalculushelp,

    It's pretty straight forward, isn't it?

    275000000=-7.2t^2+96t+18

    7.2t^2-96t+274999982=0

    Use the quadratic formula to find t.
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  3. #3
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    There is no solution though, since (96^2) - 4(7.2)(27499982) < 0
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  4. #4
    Senior Member pacman's Avatar
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    Mathcalculushelp, your equation has no real solution, see graph. you might have erred somewhere in your given equation for t, please check . . . .
    Attached Thumbnails Attached Thumbnails Value of t ?-ok.gif  
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