Question

find the value of k in the quadratic equation 9Xsquare + kx + 1 is equal to zero when its roots are equal​

Answer 1

Answer:

6

Step-by-step explanation:

b^2-4ac=0

k^2-4×9×1=0

k^2-36=0

k^2=36

k=√36

k=6

Answer 2

Answer:

Step-by-step explanation: