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Discriminant (idea)
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(
idea
)
by
mattbw
Mon Aug 14 2000 at 15:16:37
For a
quadratic
equation,
ax
^{2}
+ bx + c = 0,
the quantity b
^{2}
-4ac is known as the discriminant and indicates what kind of roots the quadratic equation has.
b
^{2}
-4ac > 0 Two
real
roots.
b
^{2}
-4ac = 0 Two repeated roots.
b
^{2}
-4ac < 0
Complex
roots.
Resultant
IFF
price discrimination
Proof of the Cauchy-Schwarz inequality
Eliminant
Quadratic Equation
Quadratic
Determinant
quadratic formula
real
mathematics
Fermat's Last Theorem
splitting field of a quadratic
cubic formula
Stokes' Theorem
Polynomial
Divisibility
Determinate
Cubic
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