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OpenStudy (anonymous):
Let u = <-7, -2>. Find 8u.
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OpenStudy (anonymous):
I am learning vectors, do I just multiply the coordinates.
OpenStudy (michele_laino):
hint: by definition, you have to multiply both components by 8
OpenStudy (anonymous):
oh ok thanks
OpenStudy (anonymous):
so is it -56, -16
OpenStudy (michele_laino):
that's right!
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OpenStudy (anonymous):
Thank you!
OpenStudy (michele_laino):
:)
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