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.

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> 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.      Log On


   

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) About Me  (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 :)