SOLUTION: Please help me with this problem. Find 2u, -3v, u + v, and 3u-4v for the given vectors u and v. (Simplify your answers completely.) u = <0, 7>, v = <-9, 0> 2u = -3v = u + v

Algebra ->  Trigonometry-basics -> SOLUTION: Please help me with this problem. Find 2u, -3v, u + v, and 3u-4v for the given vectors u and v. (Simplify your answers completely.) u = <0, 7>, v = <-9, 0> 2u = -3v = u + v       Log On


   

Question 1206797: Please help me with this problem.
Find 2u, -3v, u + v, and 3u-4v for the given vectors u and v. (Simplify your answers completely.)
u = <0, 7>, v = <-9, 0>
2u =
-3v =
u + v =
3u - 4v =
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

u = <0,+7>
v = <-9,+0>

2u =<2%2A0, 2%2A7>=<0, 14>
-3v+= <%28-3%29%28-9%29,+%28-3%29%2A0>=<27, 0>
u+%2B+v =<0%2B%28-9%29, 7%2B0>=<-9,+7>
3u+-+4v+=<3%2A0-4%28-9%29, 3%2A7-0%2A%28-9%29>=<0%2B36, 21-0>=<36, 21>