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Mathematics 9 Online
OpenStudy (anonymous):

Can someone explain how to use the slopes and y-intercepts to determine if two lines coincide or are parallel to me please?

OpenStudy (anonymous):

The slopes will be the same if they are parallel to one another. If there are crossing at a certain point, the slopes will be negative reciprocals. For example, the line y=5x is perpendicular to y=-1/5x Make sense?

OpenStudy (anonymous):

yup thanks :)

OpenStudy (anonymous):

Awesome. :D

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