Quadratic inequality

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Define a quadratic inequality.

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What is the general form of a quadratic equation?

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How do you find the roots of a quadratic equation?

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What does the discriminant of a quadratic equation indicate?

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What is the significance of the vertex in a quadratic function?

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How do you determine the intervals of a quadratic inequality?

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To determine the intervals of a quadratic inequality, first find the roots of the corresponding quadratic equation, then test the sign of the quadratic expression in the intervals defined by these roots.

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