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Earn +20 ptsQ: Explain the purpose of the discriminant?
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What is the discriminant of the polynomial 9x2 - 18x 9?
The discriminant is 0.
What is the discriminant of 2x2 plus 4x - 9?
The discriminant is 88.
Find the discriminant for 2x2 - 3x - 5 0?
The discriminant is 49.
If the discriminant of an equation is zero then?
The term "discriminant" is usually used for quadratic equations. If the discriminant is zero, then the equation has exactly one solution.
If the discriminant is a perfect square then the answer is this?
If the discriminant is a perfect square, it makes calculation easy on paper. Otherwise, the only property of the discriminant that matters is whether it is positive, negative or zero.
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