Chapter 4 Test Solutions

 

1. 50

2. 33

3. 25

4. 45

5. a + b = b + a

6. 5 a + a = 6 a

7. a (b + c) = a b + a c

8. a a = a2

9. n + 10

10. 6 (n 2)

11. n 12

12. n < 12

13. 12 n

14. (n + 2) (n + 8)

15. n 6

16. 7 (n + 9)

17. 18

18. 10

19. 30

20. 2

21. 10/80 or 1/8

22. n/ 40

23. n = 6

24. n = 7

25. n = 8

26. n = 5

27. n = 5

28 32 I will show you these graphs in class.

33. H = 40