SOLUTION: Find the specified vector or scalar. u = -4i + 1j and v = 4i + 1j; Find .u+v A. sqrt34 B. 8 C. 5 D. 2

Algebra ->  Vectors -> SOLUTION: Find the specified vector or scalar. u = -4i + 1j and v = 4i + 1j; Find .u+v A. sqrt34 B. 8 C. 5 D. 2       Log On


   

Question 1066603: Find the specified vector or scalar.
u = -4i + 1j and v = 4i + 1j; Find .u+v
A. sqrt34

B. 8
C. 5
D. 2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of two vectors is a vector.
(-4,1)+(4,1)=(-4+4,1+1)=(0,2)
All the answers are scalars and not vectors.
Are you looking for the magnitude of u+v perhaps?