SOLUTION: Find (a)2v + u, (b)u -3v, and (c)5u - v in the equation of u = <0, -4>, v = <-2,-8>.

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Question 1076628: Find (a)2v + u, (b)u -3v, and (c)5u - v in the equation of u = <0, -4>, v = <-2,-8>.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
I'll do one, you do the rest similarly,
u=(0,-4)
v=(-2,-8)
.
.
2v=2(-2,-8)
2v=(-4,-16)
.
.
2v+u=(-4,-16)+(0,-4)
2v+u=(-4+0,-16+(-4))
2v+u=(-4,-20)