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Mathematics 8 Online
OpenStudy (anonymous):

what is the discriminant of this? x2 - 5x = 4

OpenStudy (solomonzelman):

subtract 4 from both sides When you solve the equation using the quadratic formula, the DISCRIMINANT is the b²-4(a)(c) that is inside the square root. Keep in mind that the discriminant is not the square root of that, but just that.

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