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Lines k and m are parallel to each other. Is the slope of [#permalink]
05 Sep 2010, 06:14
This post was BOOKMARKED
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).
It's straight E.
The best way to solve this problem is to visualize it. We have line k, which passes through the point (3, 2) and its parallel line m, which passes through the point (-3,2). If you draw one such pair and fix, then you can rotate them 360 degrees to get infinite number of lines with negative as well positive slopes.
For more on this issue please check Coordinate Geometry chapter of Math Book (link in my signature).
Re: Lines k and m are parallel to each other. Is the slope of [#permalink]
01 Jan 2015, 22:24
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