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Mathematics 8 Online
OpenStudy (anonymous):

Determine whether the lines through the pairs of points are parallel, perpendicular, or neither. 4x - 4y = 3 16x + 6y = -5

OpenStudy (anonymous):

neither. put both eqns in slope-intercept form. first line has slope = 1, second line has slope -8/3. for parallel, slopes must be same. for perp, slopes must be negative reciprocals. since they're neither, the lines are neither parallel nor perpendicular.

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