Not necessarily. 

 and 

 may be linearly dependent, so that their span forms a subspace of 

 that does not contain every vector in 

.
For example, we could have 

 and 

. Any vector 

 of the form 

, where 

, is impossible to obtain as a linear combination of these 

 and 

, since

unless 

 and 

.
 
        
        
        
Answer:
Angle Bisector
Step-by-step explanation:
The top angle is split into two equal sections
 
        
             
        
        
        
Answer:
( -1,2)
Step-by-step explanation:
The solution is where the two lines intersect
The intersect at x=-1 and y=2
( -1,2)
 
        
                    
             
        
        
        
Answer:
*4
Step-by-step explanation: