2. Welcome to... A Game of Xs and Os

3. 789 456 123

4. 789 456 123 Scoreboard X O Click Here if X Wins Click Here if O Wins

5. 1 Suppose W varies directly as the fourth power of z and W = 27 when z = 3. Find W when z = 9

6. 1 W = 2,187 Home

7. 2 If y varies inversely as the cube of x, and y = 12 when x = 5. Find the value of y when x = 2

8. 2 y = 187.5

9. 3 If y = kx³, and x is divided by c, then y is _________

10. 3 Divided by c³

11. 4 The volume of a cube varies directly with the cube of its edge. If the edge length is divided in half, what effect does that have on the volume?

12. 4 The volume is divided by 8

13. 5 Compute the rate of change: An escalator drops 2 feet for every 7 seconds traveled

14. 5 -2/7 feet per seconds

15. 6 Find the rate of change: (10,5) and (20,20)

16. 6 3/2

17. 7 In which quadrants are the branches of y = k/x² if k > 0?

18. 7 Quadrants I and II

19. 8 Suppose y varies directly as x and inversely as y. Describe how y changes if x is doubled and y is tripled?

20. 8 Y is multiplied y 2/3

21. 9 Solve: 1/5x + 1/7x + 2 = 5

22. 9 X = 35/4