1. Box-wad-of-paper Chapter 12 Exponents and Logarithms

2. Box-wad-of-paper 1 2 3 4 7 8 6 5 10 12 11 9 16 15 14 13 20 19 18 17 23 22 21 24 27 26 25 28 30 29

3. Agenda Get quiz back. Work review problems from the board. (Turn them in at the end of class.) Test tomorrow!!!!

4. 1 Solve. 5 2x = 5 9x + 7 x = -1

5. 2 Solve. x = -2, 5

6. 3 Solve. x = 1 6

7. 4 Solve. 2 7x = 800 x = ?

8. 5 Solve. log x 512 = 3 x = 8

9. 6 Solve. log 8 (3x - 6) = log 8 (9x + 23)

10. 7 Solve. log 7 (x 2 - 5) = log 7 (59)

11. 8 Solve. log 9 (x + 3) = log 9 2x x = ?

12. 9 Solve. Round to 4 decimal places. 3 x = 72 x = 3.8928

13. 10 Solve. Round to 4 decimal places. 7 x = 23.4 x = 1.6202

14. 11 Solve. Round to 4 decimal places. 5 3x = 37 x = 0.7479

15. 12 Write in logarithmic form. 8 2 = 64 log 8 64 = 2

16. 13 Write in logarithmic form. 9 3 = 729 log 9 729 = 3

17. 14 Write in logarithmic form.

18. 15 Write in logarithmic form. 6 5 = 7776 log 6 7776 = 5

19. 16 Write in exponential form.

20. 17 Write in exponential form. log 11 1331 = 3 11 3 = 1331

21. 18 Write in exponential form. log 5 625 = 4 5 4 = 625

22. 19 Write in exponential form.

23. 20 Evaluate -4

24. 21 Evaluate 2

25. 22 Evaluate 4

26. 23 Expand 2(log 3 27 + log 3 x) = 2log 3 27 + 2log 3 x log 3 (27x) 2

27. 24 Expand log x – log 9

28. 25 Condense

29. 26 Condense

30. 27 Evaluate. Round to 4 decimal places. log 11 52 1.6478

31. 28 log 5 8.7 1.3441 Evaluate. Round to 4 decimal places.

32. 29 log 6 21.7 1.7175 Evaluate. Round to 4 decimal places.

33. 30 log 13 28.3 1.3033 Evaluate. Round to 4 decimal places.