1. X ------ = ------ Y

2. Direct variation X 1 X 2 ------ = ------ Y 1 Y 2

3. Direct variation X 1 X 2 ------ = ------ Y 1 Y 2

4. Inverse variation X 1 X 2 ------ = ------ Y 2 Y 1

5. Inverse variation X 1 X 2 ------ = ------ Y 2 Y 1

6. If y varies directly as x and y = 4 when x = 12, find y when x = 6

7. If y varies directly as x and y = 4 when x = 12, find y when x = 6 X 1 X 2 ------ = ------ Y 1 Y 2

8. If y varies directly as x and y 1 = 4 when x 1 = 12, find y 2 when x 2 = 6 X 1 X 2 ------ = ------ Y 1 Y 2

9. If y varies directly as x and y 1 = 4 when x 1 = 12, find y 2 when x 2 = 6 X 1 X 2 ------ = ------ 4 Y 2

10. If y varies directly as x and y 1 = 4 when x 1 = 12, find y 2 when x 2 = 6 12 X 2 ------ = ------ 4 Y 2

11. If y varies directly as x and y 1 = 4 when x 1 = 12, find y 2 when x 2 = 6 12 6 ------ = ------ 4 Y 2

12. 4 * 6 = 12 * Y 2 12 6 ------ = ------ 4 Y 2

13. 4 * 6 = Y 2 12 12 6 ------ = ------ 4 Y 2

14. 24 = Y 2 12 12 6 ------ = ------ 4 Y 2

15. 2 = Y 2 12 6 ------ = ------ 4 Y 2

16. 2 = Y 2 12 6 ------ = ------ 4 2

17. If y varies directly as x and y = 9 when x = 3, find y when x = 60

18. If y varies directly as x and y = 11 when x = 121, find y when x = 80

19. If y varies directly as x and y = 42 when x = 7, find y when x = 3

20. If y varies inversely as x and y = 5 when x = 10, find y when x = 50

21. If y varies inversely as x and y = 5 when x = 10, find y when x = 50 X 1 X 2 ------ = ------ Y 2 Y 1

22. If y varies inversely as x and y = 900 when x = 3, find y when x = 2

23. If y varies inversely as x and y = 8 when x = 64, find y when x = 16