Question 1036341: Find the value of k if points L(4,3), Y(k,7), and Z(k+5, 28) are collinear.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Find the value of k if points L(4,3), Y(k,7), and Z(k+5, 28) are collinear.
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Equate the slopes::
slope of LY:: (7-3)/(k-4)
slope of LZ:: (28-3)/(k+5-4) = 25/(k+1)
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25/(k+1) = 4/(k-4)
25k-100 = 4k+4
21k = 104
k = 4.95
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Cheers,
Stan H.
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