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Thread: SAT math Quadratic Equation

  1. 07-11-2013, 04:04 PM #1
    Oliver
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    SAT math Quadratic Equation

    How can we find the value of the parameter if the following equation



    has one real root.

    Thanks!!
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  2. 07-11-2013, 04:09 PM #2
    kadence
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    SAT math Quadratic Equations

    SAT math question about Quadratic Equations

    The discriminant of the quadratic in terms of is



    For the quadratic equation to have one real solution, the discriminant must be equal to zero

    Therefore:







    Hope these help!!
    Last edited by sat math; 08-24-2013 at 07:42 AM.
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  3. 07-11-2013, 04:10 PM #3
    Oliver
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    Thank you Kadence!!
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