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Question 987023: S is the midpoint of rt, rs = -2× and st = -3×-2, find rs, st and rt
Found 2 solutions by Boreal, stanbon:
Answer by Boreal(15235)   (Show Source):
You can put this solution on YOUR website! -2x=-3x-2, since the two lengths are equal (midpoint)
x=-2
4=4; as it should be.
The lengths of rs and st are 4
The length of rt is 8.
Answer by stanbon(75887)  (Show Source):
You can put this solution on YOUR website! S is the midpoint of rt, rs = -2× and st = -3×-2, find rs, st and rt
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Draw the picture::
R........S.......T
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rs = -2x
st = -3x-2
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Since S is the midpoint,
-2x = -3x-2
x = -2
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Ans:
rs = -2x = 4
st = -3x-2 = 4
rt = 8
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Cheers,
Stan H.
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