判别式
discriminant For the quadratic equation $ax^2+bx+c=0$, the discriminant is $\Delta = b^2 - 4ac$, used to determine the nature of the roots.
CSCA 数学 考试术语
discriminant For the quadratic equation $ax^2+bx+c=0$, the discriminant is $\Delta = b^2 - 4ac$, used to determine the nature of the roots.
CSCA 数学 考试术语