pre calculus

posted by Anonymous

find (a)2v+u, (b)u-3v, and (c)5u-v u=<0,-4>, v=<-2,-8>

1. Reiny

u=<0,-4>, v=<-2,-8>

a) 2v+u
= <-4,-16) + <0,-4) = <-4, -20>

b) 5u - v
= <0,-20> - <-2,-8)
= <2, -12>

c) do this one the same way

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