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slope!! pls help

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by Ozlemg » Fri Aug 19, 2011 2:39 pm
what is the 5th option?
my result is not among the 4 options
The more you suffer before the test, the less you will do so in the test! :)
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by Anurag@Gurome » Fri Aug 19, 2011 8:04 pm
marmar29 wrote:if a tri.JKL, J =( -2,4)| , K= ( 4,4), L =(1,-2)
WHAT IS THE SLOPE OF THE MEDIAN ON LK?
The median on LK must connect J and the middle point of LK.

The coordinates of the middle point of LK is ((4 + 1)/2, (4 - 2)/2) = (2.5, 1)

Hence, slope of the median on LK = (4 - 1)/(-2 - 2.5) = 3/(-4.5) = -2/3
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