Question

Find the discriminant and the number of real roots for this equation 9x^2+12x+4=0

Answer 1

Answer:

0 one real root

Step-by-step explanation:

Answer 2

Answer:

hello :

9x^2+12x+4=0

a = 9   b = 12    c = 4

the discriminant  Δ = b² - 4ac = 12² - 4(9) (4   ) =144 -  144 = 0

x1 = x2 = - b/2a = -12/18 = - 2/3

  the real root is : - 2/3