Question

9. The equation 2x² + k x + 2 = 0 has two equal roots, then the value of k is
(a) 4
(b) + 4
(c)-4
(d) 0​

Answer 1

Answer:

-4 ɪs ᴛʜᴇ ʀɪɢʜᴛ ᴀɴsᴡᴇʀ...