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Parallel & perpendicular lines from graph

Problem

Are the lines in the figure parallel, perpendicular, or neither?
Choose 1 answer:
Choose 1 answer:
A coordinate plane. The x- and y-axes both scale by one.Two lines are on the plane. Line a increases from left to right and passes through points two, five and seven, eight. Line b increases from left to right and passes through points negative seven, negative nine and three, negative two.
Stuck?
Stuck?