

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


C. 
one solution at (2, 0) 
D. 
no solution 


Hint 


3. 
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. 
no solution 
B. 
infinitely many solutions 


C. 
one solution at 
D. 
one solution at 


Hint 


4. 
Solve the system of equations given by y = 2x + 2 and . 


A. 
infinitely many solutions 
B. 
(3, 4) 


C. 
no solution 
D. 
(4, 6) 


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


Hint 


