

1. 
Which system of equations is graphed below? 





A. 

B. 



C. 

D. 



Hint 


2. 
Graph the system of equations to determine whether it has no solution, infinitely many solutions, or one solution. If the system has one solution, name it. 2x  y = 4 x + 2 y = 2 


A. 
no solution 
B. 
one solution at (2, 0) 


C. 
one solution at (0, 2) 
D. 
infinitely many solutions 


Hint 


3. 
Graph the system of equations to determine whether it has no solution, many solutions, or one solution. If the system has one solution, name it. 3x  2y = 1 2x + y = 4 


A. 
infinitely many solutions 
B. 
one solution at (2, 1) 


C. 
one solution at (1, 2) 
D. 
no solution 


Hint 


4. 
Graph the system of equations to determine whether it has no solution, infinitely many solutions, or one solution. If the system has one solution, name it.



A. 
one solution at 
B. 
infinitely many solutions 


C. 
no solution 
D. 
one solution at 


Hint 


5. 
A long distance phone company has a monthly fee of $7.95 and charges a rate of $0.05 per minute. Another long distance company has a monthly fee of $9.95 and charges a rate of $0.03 per minute. At how many minutes would the two companies have equal charges? 


A. 
100 minutes 
B. 
50 minutes 


C. 
150 minutes 
D. 
They will never have the same charges. 


Hint 


