Question

The roots of x2 + kx + k = 0 are real and equal, find k.​

Answer 1

Answer:

K=4

Step-by-step explanation:

When $b^{2}$-4ac=0, The Real and Equal roots Exist, that States that,

  in x^2+kx+k=0

b^2-4ac=o

k^2-4(1)(k)=0

k^2=4k

k(k)=4k

therefore, k=4

.

.

THANK YOU :)