Question

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



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Answer 1

see answer in above attachment

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Answer 2

Answer:

for K=2

Step-by-step explanation:

We have to find the point at which both the equation represent coincident,

For the lines to be coincident,

• a1/a2=b1/b2=c1/c2

Here a1=3,a2=6,b=-1,b2=-k,c1=8 and c2=-16

substictuing the values we get

3/6=-1/-k=8/-16., either. 3/6=-1/-k or -1/-k=-8/16.

k=2.

Therefore, k=2 both the equal