Discriminant

Question 1

What is the equation for the discriminant?

Answer 1

b^2-4ac

Question 2

How many solutions are there if b^2-4ac > 0

Answer 2

There are 2 real solutions

Question 3

How many solutions are there if b^2-4ac = 0

Answer 3

There is 1 real solution

Question 4

How many solutions are there if b^2-4ac < 0

Answer 4

There are no real solutions

Question 5

What is the graphical interpretation of b^2-4ac < 0

Answer 5

No real roots

Graph does not cut x axis

Question 6

What is the graphical interpretation of b^2-4ac = 0

Answer 6

One repeated root

Graph touches x axis

Question 7

What is the graphical interpretation of b^2-4ac > 0

Answer 7

Two distinct roots

Graph cuts x axis twice