Question

find the value of K so that the lines 2x-3y=9 & kx-9y=18 will be parallel

Answer 1

to have parallel lines its should satisfy..
a1/a2=b1/b2is not = c1/c2
now,
2/k=3/9
2×9=3k
18=3k
k=18/3
k=6
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Answer 2

Answer:

therefore k=6

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