Question

For what value of k the equation 4x +ky+8x=0 and 2x+y+4=0 have a unique solution

Answer 1

Answer:

Step-by-step explanation:

• 4x+ky+8x=0
• 2x+y+4=0

1. 4/2=k/1=8/4
2. k/1=2/1
3. k=2

Answer 2

Answer:

k≠6

Step-by-step explanation:

12x+ky+0=0

2x+y+4=0

these have unique solution

therefore,

12/2≠k/1

k≠6