SOLUTION: If u=<-2,1> and v=<3,2>, then -7u+3v is? I got <23,-1>, is this correct? If not, please explain how you go the answer.

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Question 761443: If u=<-2,1> and v=<3,2>, then -7u+3v is?
I got <23,-1>, is this correct?
If not, please explain how you go the answer.

Answer by tommyt3rd(5050)   (Show Source): You can put this solution on YOUR website!
-7u+3v=
-7<-2,1>+3<3,2>=
<14,-7>+<9,6>=
<23,-1>

yes it is correct :)

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