Determine the valeur for k in the equation below:

x2 + kx + 9 = 0

Question

Mathematics

Doctor

9 January, 13:34

Determine the valeur for k in the equation below:

x2 + kx + 9 = 0

+3

Answers (2)

Know the Answer?

Emmanuel · Answer 1

K = - 9+x2 divides by x

Heather Roberson · Answer 2

Step-by-step explanation:

Disc.=k²-4*9

roots are real if k²-36≥0

|k|≥ 6

k≤ - 6

or k≥ 6

roots are imaginary if k²-36≤0

k²≤ 36

|k|≤6

roots are imaginary if - 6 ≤ k ≤6

Determine the valeur for k in the equation below:x2 + kx + 9 = 0

Determine the valeur for k in the equation below:

x2 + kx + 9 = 0