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OpenStudy (anonymous):
What is the value of the discriminant, of 2x^2+4x-2
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OpenStudy (ranga):
The discriminant for ax^2 + bx + c is : b^2 - 4ac Compare ax^2 + bx + c to 2x^2+4x-2, identify a,b and c and plug it into the formula for discriminant.
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