for what value of k, the roots of the equation x2+4x+
k = 0 are real?
Answers
Answered by
0
Answer:
use quadratic formula to solve this
Answered by
3
Answer:
√b^2 - 4ac = 0
√(4) ^2 - (4×1×k) = 0
√16 - 4k = 0
16 - 4k = 0
16 = 4k
k = 4
Similar questions