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fskilnik
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So we have y/(x-y) >0
What we need to do is to guarantee the 2 scenarios:
Scenario 1: Numerator Positive and Denominator Positive

in other words: y>0 and x>y
This means 1st part of the solution is quadrant I and slope is more x than y (here we've got already the answer)

Scenario 2: Numerator Negative and Denominator Positive
in other words: y<0 and x<y
This means 2nd part of the solution is quadrant III and slope x is more than y

Answer is A
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Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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