Algebra I: Worksheet on parallel and perpendicular lines. Remember from class:
Parallel lines - two or more linear equations with different y-intercepts and the same slope. Graphs of parallel lines never meet.
Perpendicular lines- two or more lines that intersect at 90 degree angles (right angles). Their slopes are opposite reciprocals.
Do #'s 1,3,5,6, 7-15 odd and 17, a and b
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