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Slopes and Quadrants


 
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Tryingmybest
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PostPosted: Fri Nov 21, 2008 9:19 am    Post subject: Slopes and Quadrants Reply with quote
Does positive slope mean a line will be in I and III Quadrants and will not lie in the II and IV quadrants?


Does Negative slope mean a line will be in II and IV quadrants and will not lie in the I and III Quadrants ?

Please help me out on this ..
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logitech
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PostPosted: Fri Nov 21, 2008 9:32 am    Post subject: Re: Slopes and Quadrants Reply with quote
Tryingmybest wrote:
Does positive slope mean a line will be in I and III Quadrants and will not lie in the II and IV quadrants?


Does Negative slope mean a line will be in II and IV quadrants and will not lie in the I and III Quadrants ?

Please help me out on this ..


Y = ax + b

a>0 positive slope

a<0 negative slope



depending on "b", a line can be in each quadrants no matter what its slope is
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Tryingmybest
Really wants to Beat The GMAT!


Joined: 13 Nov 2008
Posts: 117

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Thanked 8 times in 7 posts

Location: Pittsburgh
PostPosted: Fri Nov 21, 2008 9:39 am    Post subject: Reply with quote
Thanks Logitech
The Reason I asked is because of the solution which Stuart gave in this link
http://www.beatthegmat.com/coordinate-geometry-og11-t23310.html

But Now I understood the concept.
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