The Quadratic Formula

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What is the Quadratic Formula?

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What do the variables a, b, and c represent in a quadratic equation?

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What is the discriminant in a quadratic equation?

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What does it mean if the discriminant is positive?

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If the discriminant is positive, the quadratic equation has two distinct real solutions.

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What does it mean if the discriminant is zero?

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If the discriminant is zero, the quadratic equation has exactly one real solution (a repeated root).

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What does it mean if the discriminant is negative?

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If the discriminant is negative, the quadratic equation has no real solutions (the solutions are complex).

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