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Doubts on Coordinate Geometry!!

Problem Solving — algebra and arithmetic (GMAT Focus Edition)
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Source: — Quantitative Reasoning |
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by shashank.ism » Sat Feb 20, 2010 11:35 pm
apoorva.srivastva wrote:(1.) IF two lines p and q have slopes (-3) and (-5) respectively then slope of which line is greater??


(2.) IF two lines a and b have slopes of (6) and (-4) respectively then the slope of which is greater??


Kindly elaborate on the rules regarding this :)


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Apoorva
1) It goes with values only since -3 is greater than -5 so line having slope of -3 is having greater slope...u can check it with fig also.

2) Again ssince 6>-4 so slope of line having slope 6 is greater than that of line having slope -4.....

you can go through following link for more clarification
which says slope of line is m where y= mx+c
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by thephoenix » Sat Feb 20, 2010 11:42 pm
apoorva.srivastva wrote:(1.) IF two lines p and q have slopes (-3) and (-5) respectively then slope of which line is greater??


(2.) IF two lines a and b have slopes of (6) and (-4) respectively then the slope of which is greater??


Kindly elaborate on the rules regarding this :)


regards
Apoorva
rephrasing your q which is grter b/n -3 and -5 or 6 an -4

there is only one rule
in a no. line the no. to the right side is always greater than the no. to left side
hence -3>-5
and 6>-4
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