Question

If the roots of the quadratic equation 2x2 + 8x + k = 0 are equal then the value of k is

Answer 1

Here, a = 2 ; b = 8 ; c = k

b² = 4ac for equal roots

64 = 8k

k  = 8

Answer 2

K will be 8
by using the formula b square equals to 4 AC where the equation stands as a x square + bx + c so answer I hope you like it plays mark me as a brain list answer