Make an answer sheet that includes your name and 15 numbered answer blanks. It should be similar to the form which follows:
Proportions Test

Name ____________________________ Period _______ Date ____________

 1. ____ 6. ____ 11. ____ 2. ____ 7. ____ 12. ____ 3. ____ 8. ____ 13. ____ 4. ____ 9. ____ 14. ____ 5. ____ 10. ____ 15. ____

## Proportions Test

Questions 1 & 2:

1. Which of the following plots would one next plot in the process to determine the relationship that may exist between y and x?
A. y versus x
B. y versus x-1
C. y versus x0.5
D. y versus x2
E. y versus x1/3
2. Which of the following would best represent the value of y if x had the value 5.0?
A. 2.5
B. 5.5
C. 0.25
D. 12.5
E. 250

Questions 3 - 5:

3. Which of the following is true?
A. B a 1/A2
B. B a 1/A
C. B a A2
D. B a A0.5
E. B a A
4.

5. What value would B have if A had the value 5.0?
A. 0.20
B. 0.50
C. 0.80
D. 20
E. 50
6.

7. Which of the following plots is correct?

E. None of the above plots are true.

Questions 6 & 7:

8. Which of the following statements is true?
A. B a 1/A2
B. B a 1/A
C. B a A2
D. B a A0.5
E. B a A
9.

10. What value would B have if A had the value 9.09?
A. 0.0771
B. 2.47
C. 66.9
D. 202
E. 1800

Questions 8 & 9:

11. Which of the following statements represents the relationship between y and x?
A. y a 1/x2
B. y a 1/x
C. y a x2
D. y a x0.5
E. y a x
12.

13. What value would x have when y=6?
A. 1.0
B. 2.0
C. 4.0
D. 8.0
E. 16

Questions 10-12:

14. By what factor would a change if b changes by a factor of 2.0?
A. 4
B. 2
C. 1
D. 1/2
E. 1/4
15.

16. The relationship that exists between a and b is which of the following?
A. b a 1/b2
B. b a 1/a
C. b a a2
D. b a a0.5
E. b a a
17.

18. What is the value of the constant ratio between b and a?
A. 0.50
B. 1.0
C. 2.0
D. 4.0
E. 8.0
19.

20. How far would a cart move down an air track (from rest) in two seconds if it moves (from rest) a distance of 20 cm in one second? Distance is proportional to time squared.
A. 5 cm
B. 10 cm
C. 20 cm
D. 40 cm
E. 80 cm
21.

22. Sam takes a picture of himself standing 3.0 meters from his camera and finds the size of his image to be 6.0 cm. In another photograph of himself he finds his image to be 2 cm tall. What is his distance from the same camera in the second picture? Image size is inversely proportional to the object distance.
A. 1.0 m
B. 2.0 m
C. 6.0 m
D. 9.0 m
E. 18 m
23.

24. If you have a pendulum that is 0.25 m long, it will have a period of 1.0 second. What length of pendulum is needed in a Grandfather clock in order to get a period of 2.0 seconds? Period is proportional to the square root of the length of the pendulum.
A. 0.20 cm
B. 2.0 cm
C. 20 cm
D. 100 cm
E. 200 cm

You are finished with the test. Check your answers by clicking here.

Updated August 2001