alleryWhat is the discriminant of the quadratic equation $Ax^2+Bx+C=0$?
A$B^2+4AC$
B$B^2-4AC$
C$2A-B+C$
D$\frac{-B\pm\sqrt{B^2-4AC}}{2A}$
Answer & Solution
Correct answer: B. $B^2-4AC$
The discriminant of a quadratic equation $Ax^2+Bx+C=0$ is $B^2-4AC$.
It is used to determine the nature of the roots.
**Option D is the quadratic formula, not the discriminant itself.**
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