Quadratic Graphs And Equations Flashcards
0
Q
What is the discriminant?
A
B^2 -4ac
1
Q
How do you factorise?
A
Either remove a common factor OR make the equation into brackets
2
Q
If the discrimant is larger than 0 how many real roots are there?
A
2
3
Q
if the discriminant is equal to 0 how many real roots are there?
A
There is one repeated root
4
Q
If the discriminant is lower than 0 how many real roots are there?
A
There are no real roots
