

1. 
If y varies directly as x and y = 35 when x = 5, find y when x = 11. 


A. 
7 
B. 
77 


C. 
41 
D. 



Hint 


2. 
If y varies directly as x and y = 21 when x = 5, find x when y = 42. 


A. 
21 
B. 
4.2 


C. 
10 
D. 
5 


Hint 


3. 
A direct variation equation has (2, 4) and (n, 8) as solutions. Find the missing value. 


A. 
2 
B. 
16 


C. 
4 
D. 
1 


Hint 


4. 
Suppose y varies directly as x, and y = 319 when x = 29. Write a direct variation equation that relates x and y. 


A. 
y = 11x 
B. 



C. 

D. 
y = 11x 


Hint 


5. 
Use the direct variation equation y = 22x to find x when y = 88. 


A. 

B. 
x = 4 


C. 

D. 
x = 4 


Hint 


