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- 1. Fill in the Blank
The table shows that y is directly proportional to x. What number completes the table? Calculate the answer as a decimal.
- 2. Fill in the Blank
An equation shows m is directly proportional to n and inversely proportional to s cubed. When m = 5, then n = 160 and s = 2. What is the constant of proportionality? Write your answer as a fraction.
- 3. Multiple ChoiceWhat is the constant (k) in this inverse variation?122448Not enough information given
- 4. Multiple ChoiceWhat kind of variation is shown in the graph?DirectInverse
- 5. Multiple Choicedirect variationinverse variationneither direct nor inverse variation
- 6. Multiple ChoiceIf y varies inversely as x and x=5 when y=20, then what is the constant of variation, k?12141006
- 7. Multiple ChoiceWrite the equation for the table given.y = 1/3xy = 3xy = 1/2x
- 8. Multiple Choice
If p is inversely proportional with q and p = 3 and q = 9, what is the constant of proportionality?
- 9. Multiple Choice
If r varies directly as s and r = 6 when s is -10, find r when s is 30.
- 10. Multiple Choicedirect variationinverse variationneither direct nor inverse variation
- 11. Multiple Choicedirect variationinverse variationneither direct nor inverse variation
- 12. Multiple Choice
The cost c varies directly as the number of n pencils is written as
c = kn
k = cn
n = k/c
c = k/n
- 13. Multiple ChoiceDetermine the type of variation:DirectInverseNeither
- 14. Multiple ChoiceWhat does the Direct Variation Equation look like?y= kxy = mx + by = by = x
- 15. Multiple ChoiceWhat kind of variation is shown in this graph?InverseDirect
- 16. Multiple ChoiceWhich of the given graphs is a direct variation?ABCD
- 17. Multiple ChoiceIs the given table a direct variation? If so, what is the constant of variation?Yes; 1/3Yes; 3Yes; 5No
- 18. Multiple ChoiceWrite an equation for this relationship.y=4xy=1/8xy=1/4xy=8x
- 19. Multiple ChoiceIs the given table a direct variation? If so, what is the constant?Yes; 1/4Yes; 4Yes; 2No
- 20. Multiple Choice
If y varies inversely as the square root of x, what is the constant of proportionality if y = 16 and x = 4?
- 21. Multiple Choice
State what type of variation the equation represents.
Direct
Inverse
Joint
None
- 22. Multiple Choice
State what type of variation the equation represents.
Direct
Inverse
Joint
None
- 23. Multiple Choice
State what type of variation the equation represents.
Direct
Inverse
Joint
None
- 24. Multiple Choice
The volume of wood in a tree varies jointly as the height of the tree and the square of the distance around the tree trunk. If the volume of wood is 15.84 cubic feet when the height is 22 feet and the distance around the trunk is 3 feet, what is the volume of wood obtained from a tree that is 32 feet tall having a measurement of 4 feet around the trunk?
44.96 ft3
49.96 ft3
40.96 ft3
32.96 ft3
- 25. Multiple Choice
If f varies jointly as q2 and h, and f = 96 when q = 4 and h = 3, find q when f = 48 and h = 6.
4
2
6
3
- Answer choicesTagsAnswer choicesTags