Discremenent

Question 1

b^2 - 4ac = 0

Answer 1

b^2 - 4ac = 0 is 1root

Question 2

b^2 - 4ac > 0

Answer 2

b^2 - 4ac > 0 is 2 roots

Question 3

b^2 - 4ac < 0

Answer 3

b^2 - 4ac < 0 is no roots