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Mathematics 7 Online
OpenStudy (anonymous):

Decide whether the pair of lines is parallel, perpendiclar, or neither? 3x+4y=5 4x+3y=9

OpenStudy (anonymous):

The lines are parallel if and only if m1=m2 The lines are perpendicular if and only if m1m2 = -1

OpenStudy (anonymous):

are the parallel or perpendicular?

OpenStudy (anonymous):

Watch the video by Sal Khan about how to use slope intercept form. It will help you to solve this problem. http://www.khanacademy.org/math/algebra/linear-equations-and-inequalitie/v/graphs-using-slope-intercept-form

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