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Mathematics 9 Online
OpenStudy (anonymous):

Are the lines parallel, perpedicular or neither? y = -1/2x - 7 4x + 8y = 1

OpenStudy (dumbcow):

are slopes equal or not ?

OpenStudy (anonymous):

Parallel lines have the same slope, perpendicular lines have a slope that is a negative inverse.

OpenStudy (anonymous):

@gypsy1274 so its perpendicular

OpenStudy (dumbcow):

what is slope of 1st line? 2nd line?

OpenStudy (anonymous):

Solve the second equation for y, then answer @dumbcow's questions above to find the answer to your question.

OpenStudy (anonymous):

@dumbcow they are parallel because eq1:-1/2 and so is eq2

OpenStudy (dumbcow):

yep :)

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