Discriminant Flashcards
1
Q
What is a discriminant?
A
b^2-4ac
2
Q
If the discriminant is 0 then the roots are …?
A
1 solution
(x= -b/2a)
Vertex is the root
3
Q
If the discriminant is neg then the roots are …?
A
complex imaginary
4
Q
If the discriminant is a perfect square then the roots are …?
A
2 real solutions, rational
5
Q
If the discriminant is rational then the roots are …?
A
2, real, irrational
