Question

for what value of k the equation 2 X square + kx + 2 equals to zero will have real roots ?
Please say answer very fast......... ​

Answer 1

Answer: Yes...

Step-by-step explanation:

2x² + kx +2 = 0

2x² +kx = -2

x² + kx = -2/2

x² + K = -1/x

x² = -1/x -k

x = root -1/x - k

k = root -1/x -x