Algebra

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Can someone help me with this question? Use the discriminant to determine whether the following equations have solutions that are:two different rational solutions: two different irrational solutions: exactly one rational solution: or two different imaginary solutions.
s^2-5s-6=0

  • Algebra -

    the discriminant is b^2 - 4ac
    = 25 - 4(1)(-6) = 49

    which is a perfect square , so the square root part will come out exact,
    so you will have 2 different rational roots.

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