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15 August, 12:18

How can you tell when a quadratic equation has two identical, rational solutions?

when the radicand is negative

when b in the quadratic formula is greater than the radicand

when the radicand equals zero

when the radicand is not a perfect square

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  1. 15 August, 13:17
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    The discriminant of a quadratic equation determines the nature of the roots of the equation whether they are rel or imaginary. The formula for determining the discriminant is

    d = b2 - 4acwhen there are two identical real roots, then the discriminant is equal to zero. The answer is C.
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