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Mathematics 11 Online
OpenStudy (anonymous):

Determine whether the vectors u and v are parallel, orthogonal, or neither. u = <7, 2>, v = <21, 6>

OpenStudy (usukidoll):

use the dot product to test whether or not these vectors are orthogonal. It's orthogonal when the end result is 0

OpenStudy (usukidoll):

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