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Geometry 7 Online
OpenStudy (mydilemma):

I need help! is the line through points p(-8 -10) and q(-5 -12) perpendicular to the line through points r(9, -6) and s(17, -5)?

OpenStudy (jtvatsim):

Have you tried graphing it just to get a sense of the problem?

rishavraj (rishavraj):

if the product of the two slopes is -1 ....it means they r perpendicular..

OpenStudy (mydilemma):

I got it, thank you. They are perpendicular...

OpenStudy (jtvatsim):

Are you sure? What did you find the slopes to be?

OpenStudy (anonymous):

crazy

OpenStudy (anonymous):

do it??????????????

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