<PRE><B>Question 807877</B>
if two straight lines :X+Y=5 and KX+2Y=0 are parallel then find k.....(with steps)
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The slopes must be equal; find the slopes.
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x+y = 5
y = -x+5
slope = -1
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kx + 2y = 0
2y = -kx
y = (-k/2)x
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Your Problem:
Solve:: -k/2 = -1
k = 2
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Cheers,
Stan H.
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