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Source: Official Guide for GMAT Review 2016 Data Sufficiency ; #27

2

Lines k and m are parallel to

Lines k and m are parallel to each other. Is the slope of line k positive?

1 Explanation

1

AMURE ADENIYI BOLAJI COLLINS

parallel lines have equal slopes, therefore, lines k and m would have similar slopes.
so to get the answer, i need to determine either of the lines' slopes. but the information provided are not enough to get that. one can not get the slope of a line with only one coordinate. hence both sTatements are not sufficient (E)

Nov 5, 2016 • Comment

Sam Kinsman

That is correct Amure! Thanks for sharing your answer :D

Nov 11, 2016 • Reply

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Official Guide for GMAT Review 2016

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Official Guide for the GMAT 12th Ed.

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Section 6.3 Data Sufficiency

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