What is the quadratic formula?
-b+-[b^2-4ac]
divided by 2a
What is the discriminant?
b^2 - 4ac
How to tell if there’s 2 roots?
b^2 - 4ac > 0
How to tell if there’s 1 root (repeated)?
b^2 - 4ac = 0
How to tell if there’s no real roots?
b^2 - 4ac < 0
If it states it has real roots, what’s the sign?
> with line under it
If it states it has equal roots, what’s the sign?
Literally just = sign