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puteri [66]
4 years ago
7

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

Mathematics
1 answer:
Rudik [331]4 years ago
6 0
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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