Question

for what value of k the equation 9x2+6kx+4=0 has equal roots.​

Answer 1

please mark as best answer

Explanation:

by using formula- b^2 - 4ac=0

a=9 , b=6k , c=4

b^-4ac=0

36k^2 - 4×9×4=0

36k^2 - 144=0

36k^2=144

k^2=144/36

k^2=4

k=2

Answer 2

Answer:

I hope this is the correct answer and if it is correct pls mark me brilliant.