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Mathematics 8 Online
OpenStudy (anonymous):

For u = <2, -6> and v = <3, -1>, find u · v.

Miracrown (miracrown):

Do you know how to find dot products? @yomylola

OpenStudy (anonymous):

yeah

Miracrown (miracrown):

|dw:1399518383545:dw| So you multiply the components that are the same I mean that are in the same position So you multiply the first ones, then the second ones and add them together So what do we get for this one?

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