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OpenStudy (anonymous):
determine whether the graphs of the equations are perpendicular 8x-7y=3 8y-7x=7 the answer is yes right????
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OpenStudy (anonymous):
hmm
OpenStudy (anonymous):
yes
jimthompson5910 (jim_thompson5910):
No, they are not perpendicular Slope of first line is 8/7 while slope of second line is 7/8 They need to be negative reciprocals of each other to be perpendicular
OpenStudy (anonymous):
slope of the second one is..oh wait your right jim haha
OpenStudy (anonymous):
i thought they would be though , but i forgot they have to have the negv.
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jimthompson5910 (jim_thompson5910):
yep it's very close, but that one negative throws it all off
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