Question

For what value of k,kx2+8x+2=0 has real roots
a) k 8 c) k=8 d) none of these

Answer 1

Step-by-step explanation:

b^2-4ac =0

8^2-4×k ×2=0

16-8k=0

-8k=-16

k= - 16/-8

k=2

Therefore, answer is 'none of these'