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# The slope of a line that passes through origin and S is 1/2,

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Senior Manager
Joined: 08 Aug 2005
Posts: 251
The slope of a line that passes through origin and S is 1/2, [#permalink]

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26 Apr 2006, 03:30
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

The slope of a line that passes through origin and S is 1/2, the slope of the line that passes through (-5,0) and S is 3/2. What is the point S?
Intern
Joined: 02 Mar 2006
Posts: 21

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26 Apr 2006, 03:35
(-15/2,-15/4)

let s = (x,y)

from given data we get

y/x = 1/2

and

y/(x+5) = 3/2

by solving these 2 equations we get the point
VP
Joined: 06 Jun 2004
Posts: 1053
Location: CA

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29 Apr 2006, 00:18
Yes, S should be (-7.5, -3.75) from plugging in the slope equations
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Manager
Joined: 14 Mar 2006
Posts: 208
Re: Slope of a line [#permalink]

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29 Apr 2006, 19:01
getzgetzu wrote:
The slope of a line that passes through origin and S is 1/2, the slope of the line that passes through (-5,0) and S is 3/2. What is the point S?

i agree with (-15/4, -15/2)
Just to add a bit. since s is on the line 1/2, s is multiple of it. ratio of y to x wil be 1:2, so once u solve for lets say Y we know that X should be half of it. Dont know if this is helpful.
Re: Slope of a line   [#permalink] 29 Apr 2006, 19:01
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