DS: 2
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Source: Beat The GMAT — Data Sufficiency |
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tohellandback
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IMO E
you can draw two parallel lines passing through the two given points. You can rotate them simultaneously through 360 degrees and they will still be parallel and the slope can be negative or positive.
you can draw two parallel lines passing through the two given points. You can rotate them simultaneously through 360 degrees and they will still be parallel and the slope can be negative or positive.
The powers of two are bloody impolite!!
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mehravikas
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Brent@GMATPrepNow
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Target question: Is the slope of line k positive?
Given: Lines k and m are parallel to each other.
Let's jump straight to....
Statements 1 and 2 combined
There are many cases that satisfy BOTH statements. Here are two:
Case a:
In this case, the slope of line k is POSITIVE
Case b:
In this case, the slope of line k is NEGATIVE
Since we cannot answer the target question with certainty, the combined statements are NOT SUFFICIENT
Answer: E
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Brent
Brent Hanneson - Creator of GMATPrepNow.com
