2x-3y-5=0, 4x-ky-9=0 find the find the value of k for which the equation represent the parllel lines
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Answer:
k=-6
Step-by-step explanation:
in the parallel lines
a1/a2=b1/b2=c1/c2
a1/a2=2/4=1/2,b1/b2=-3/k,c1/c2=5/9
take first and second value
1/2=-3/k
k=-6.
take second and third value
-3/k=5/9
-27=5k
k=-27/5
so -27/5 is not possible so -6 is the answer
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