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19 July, 12:30

What is the discriminant of the quadratic equation 4x^2-7x-6=04x 2 - 7x-6=0?

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  1. 19 July, 13:43
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    145

    Step-by-step explanation:

    The discriminant of quadratic ...

    ax^2 + bx + c = 0

    is ...

    d = b^2 - 4ac

    For your quadratic, you have a=4, b=-7, c=-6, so the discriminant is ...

    d = (-7) ^2 - 4 (4) (-6) = 49 + 96 = 145

    The discriminant is 145.
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