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Mathematics 8 Online
OpenStudy (kj4uts):

Which of the following are orthogonal to (2, 1)? Check all that apply. A. (1, 2) B. (-2, -3) C. (-3, 6) D. (1, -2) Please explain. Thank you!

OpenStudy (alexandervonhumboldt2):

In mathematics, orthogonality is the relation of two lines at right angles to one another (perpendicularity), and the generalization of this relation into n dimensions; and to a variety of mathematical relations thought of as describing non-overlapping, uncorrelated, or independent objects of some kind.

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