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Mathematics 14 Online
OpenStudy (anonymous):

Urgent. Are the graphs of the lines in the pair parallel? Explain. y=6x+9 27x-3y=-81

OpenStudy (anonymous):

find slopes if they are same ,then they are parallel.

OpenStudy (xapproachesinfinity):

what he meant is to find the slope of each line and see if they are the same y=6x+9 slope is 6

OpenStudy (xapproachesinfinity):

you just need to solve for y to find the slope for the other line 27x-3y=-81

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