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Mathematics 7 Online
OpenStudy (bossimbacon):

What is the slope of a line that is perpendicular to 6x + 3y = –9? @alexandervonhumboldt2

OpenStudy (alexandervonhumboldt2):

slope of perpendicular lines are negative reciprocals

OpenStudy (alexandervonhumboldt2):

in Ax+By=c form -A/b is the slope

OpenStudy (bossimbacon):

so - 6

OpenStudy (bossimbacon):

is the slope

OpenStudy (alexandervonhumboldt2):

no

OpenStudy (alexandervonhumboldt2):

-6/3=?

OpenStudy (bossimbacon):

-2

OpenStudy (alexandervonhumboldt2):

yes now what is a negative reciprocal to -2?

OpenStudy (bossimbacon):

-1/2?

OpenStudy (alexandervonhumboldt2):

you forgot to change the sing

OpenStudy (bossimbacon):

1/2?

OpenStudy (alexandervonhumboldt2):

yes

OpenStudy (bossimbacon):

thank you!

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