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Mathematics 20 Online
OpenStudy (anonymous):

Which types of lines match these equations? 3x + 2y = -5 -2x + 3y = -5

OpenStudy (saifoo.khan):

Straight.

OpenStudy (anonymous):

parallel, coinciding, or perpendicular?

OpenStudy (saifoo.khan):

coinciding.

OpenStudy (anonymous):

Erm...they are perpendicular (slopes are negative reciprocals of each other).

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