

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


A. 

B. 
77 


C. 
41 
D. 
7 


Hint 


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


A. 
5 
B. 
4.2 


C. 
21 
D. 
10 


Hint 


3. 
Jim's wages vary directly as the numbers of hours he works. For 7 hours, he makes $38.85. How much will he make in 37 hours? 


A. 
$194.25 
B. 
$207.20 


C. 
$205.35 
D. 
$1437.45 


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. 

B. 



C. 
y = 11x 
D. 
y = 11x 


Hint 


5. 
If Dale Jarrett drives his car 1760 feet on the racetrack in 6 seconds, about how long will it take him to drive 2640 feet, a half mile? 


A. 
9 seconds 
B. 
18 minutes 


C. 
6 minutes, 40 seconds 
D. 
18 seconds 


Hint 


