Question

for what values of k, the
equation 9 x² + 6 kx +4=0 has
equal roots?​

Answer 1

Answer:

Step-by-step explanation:

For real root,

D = 0

B²-4AC = 0

(6K)²-4(9)(4) =. 0

36k² = (16)(9)

K² = 4

K = +2 , -2