Question

What is the discriminant of the polynomial below 4x2+4x+1?

A. 32
B. -4
C. 0
D. -12

Answer 1

hello :

you have : a = 4 b = 4 c = 1

the discriminant is : b² - 4ac

(4)² -4(4)(1) = 16 -16 = 0 ..... ( answer : C )