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For a quadratic equation the discriminant is: b2-4ac
If it's = 0 then the roots are equal
If it's < 0 then there are no roots
If it's > 0 then there are two different roots
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Continue Learning about Math & Arithmetic
How do you find how many x intercepts the parabola has using the discriminant?
If the discriminant is negative, there are 0 interceptsIf the discriminant is zero, there is 1 interceptIf the discriminant is positive, there are 2 intercepts
What is the discriminant of the polynomial 2x2 5x 4?
The discriminant is -7
What is the discriminant of x squared equals 4?
The discriminant is 16
What are the three outcomes of a discriminant?
The discriminant can be positive, zero or negative.
What is the discriminant of the polynomial 2x2 plus 4x - 9?
The discriminant is 88.
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