

1. 
Let . Find . 


A. 

B. 



C. 

D. 



Hint 


2. 
Write as a sum of unit vectors for A(3, 1) and B(8, 6). 


A. 

B. 



C. 

D. 



Hint 


3. 
Find the magnitude of the vector . 


A. 

B. 



C. 

D. 



Hint 


4. 
A vector that is represented by an ordered pair can ________ be written as the sum of unit vectors. 


A. 
always 
B. 
never 


C. 
sometimes 
D. 
usually 


Hint 


5. 
Let C = (4, 17), D. = (11, 2). Write as a sum of unit vectors. 


A. 

B. 



C. 

D. 



Hint 

