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08-06-2016
Mathematics

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Line EF has an equation of a line y = -2x + 7, and line GH has an equation of a line y = x -1. These two lines are

parallel because the slopes of the lines are equal
perpendicular because the slopes are opposite reciprocals
the same line when graphed
intersecting but not at a right angle

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08-06-2016

intersecting but not at a right angle

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