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Algebra

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for the follwong equation, state the value of the discriminant and then describe the nature of the solutions:
5^2+9x+2=0

  • Algebra -

    Are you sure you don't mean
    5x^2+ 9x+ 2 = 0 ?

    The answer to what you wrote is
    9x = -27
    x = -3

    The discriminant is b^2-4ac.

    In this case a = 5, b = 9 and c = 2.

    Take it from there. You may need to review what the quadratic equation is all about. If so, see

    http://en.wikipedia.org/wiki/Discriminant

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