Question

For what value of k,do the equation 3x-y+8=0and 6x-ky=-16 represents coincident lines

Answer 1

Step-by-step explanation:

3x-y=-8

6x-ky=-16

coincident lines A1/A2=B1/B2=C1/C2

A1=3 B1=-1, C1=-8

A2=6, B2=-k, C1=-16

3/6*-1/-k

3k=6

k=6/3

k=2