# Definition of equivalent vectors

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Explain why vectors QR and RQ are not equivalent.

Explain in your own words when the elimination method for solving a system of equations is preferable to the substitution method.

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1) Explain why vectors QR and RQ are not equivalent.

Vector PQ is the directed line segment formed by joining P to Q, i.e. the initial point for the vector PQ is P whereas the vector QP is the directed line segment formed by joining ...

#### Solution Summary

Definition of equivalent vectors is explained.

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