

1. 
Which ordered pair is the solution to the given system of equations? x  3y = 9 x  2y = 5 


A. 
(3, 2) 
B. 
(3, 4) 


C. 
(9, 3) 
D. 
(6, 1) 


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. 
infinitely many solutions 


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


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. 
one solution at (1, 2) 
B. 
no solution 


C. 
infinitely many solutions 
D. 
one solution at (2, 1) 


Hint 


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


A. 
(4, 6) 
B. 
no solution 


C. 
infinitely many solutions 
D. 
(3, 4) 


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 


