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# 10.10: Solutions Using the Discriminant

Difficulty Level: At Grade Created by: CK-12
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Practice Solutions Using the Discriminant

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Estimated16 minsto complete
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Estimated16 minsto complete
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MEMORY METER
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### Vocabulary Language: English

discriminant

The discriminant is the part of the quadratic formula under the radical, $b^2 - 4ac$. A positive discriminant suggests two real roots to the quadratic equation, a zero suggests one real root with multiplicity two, and a negative indicates two complex roots.

Double Root

A solution that is repeated twice.

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