

1. 
Use the graph below to determine if the given system of equations has one solution, no solution, or infinitely many solutions. If the system has one solution, name it. 





A. 
no solution 
B. 
infinitely many solutions 


C. 
one solution at . 
D. 
one solution at (6, 0) 


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


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. 
no solution 
B. 
infinitely many solutions 


C. 
one solution at (1, 2) 
D. 
one solution at (2, 1) 


Hint 


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


A. 
(3, 4) 
B. 
(4, 6) 


C. 
infinitely many solutions 
D. 
no solution 


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. 
They will never have the same charges. 
B. 
50 minutes 


C. 
150 minutes 
D. 
100 minutes 


Hint 


