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Slope of a Line

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Slope of a Line

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

(1) Line k passes through the point (3, 2).
(2) Line m passes through the point (-3, 2).

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IMO E

1) line k can be both +ve or -ve because it can still pass through point(3,2)--> insuff
2) line m can be both +ve or -ve because it can still pass through point(-3,2)--> insuff

Combining st 1 & 2 does n't give any information about the inclination (+\-) of the two lines, which can still be parallel and pass through the given points. -->Insuff

Note: If any other point were given through which line k or m passes, we would know the slope of both the lines.

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The answer should be E

Just draw the points, x and y axis, you will realize.

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Whats the OA?

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