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Mathematics 8 Online
OpenStudy (anonymous):

Let v = 5i + 2j. Find a vector, w, that is half the length of v and points in the opposite direction of v.

OpenStudy (amistre64):

hmmm, whats the difficulty?

OpenStudy (amistre64):

half of something is to scale it by 1/2 ... to opposite something we use a negative sign ...

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