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Mathematics 21 Online
OpenStudy (anonymous):

The quadratic x^2 – 7x + 6 has what type of roots? Answer A. Two Rational B. One Rational Double C. Two Complex D. Two Irrational

OpenStudy (lalaly):

b^2 - 4ac a = 1, b = - 7, c = 6 49 - 4*1*6 49 - 24 = 25 b^2 - 4ac > 0 2 rational roots

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