I need help with identifying parallel and perpendicular lines from equations.

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asked Jul 15, 2017 103k views

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Zapoo · Answer 1 · 2017-07-21T01:20:09+0000

If the slopes have the same magnitude and sign, but with a different y-intercept... the lines are parallel.

If the slopes have the same magnitude but have an opposite sign... the lines are perpendicular.

I need help with identifying parallel and perpendicular lines from equations.

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