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OpenStudy (anonymous):
Lines k, l, m, and n have slopes of , - 4, -1and respectively. Which pairs of lines are perpendicular? k =? l =? What is the formula
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OpenStudy (eamier):
is this question complete
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
k parralel ? to and L parralel to ?
OpenStudy (anonymous):
You list 4 lines and 2 slopes???
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OpenStudy (anonymous):
Perpendicular lines have slopes that multiply to give -1.
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