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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.
x2 = 5x + 6

  • math -

    x^2 - 5x - 6 = 0
    discr. = 25 - 4(1)(-6) which is positive, so you have 2 different real roots

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