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2 June, 10:43

The discriminant of a quadratic equation is the value b2 - 4ac. What is the value of the discriminant of 0 = - 2x2 + 6x + 13?

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  1. 2 June, 10:56
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    Ax^2 + bx + c = 0

    -2x^2 + 6x + 13 = 0

    a = - 2

    b = 6

    c = 13

    b^2 - 4ac

    6^2 - 4 (-2) (13)

    = 36 - (-104)

    = 36 + 104

    = 140

    The value of the discriminant is 140.
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