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11 September, 15:43

Find the discriminant and the number of real roots for this equation.

x2 + 2x + 7 = 0

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Answers (1)
  1. 11 September, 16:11
    0
    Discriminant = - 24

    No real roots.

    Step-by-step explanation:

    x^2 + 2x + 7 = 0

    The discriminant = b^2 - 4ac

    = 2^2 - 4*1*7

    = - 24

    So there are no real roots.
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