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

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Presentation transcript:

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

Box-wad-of-paper

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

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

2 Solve. x = -2, 5

3 Solve. x = 1 6

4 Solve. 2 7x = 800 x = ?

5 Solve. log x 512 = 3 x = 8

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

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

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

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

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

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

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

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

14 Write in logarithmic form.

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

16 Write in exponential form.

17 Write in exponential form. log = = 1331

18 Write in exponential form. log = = 625

19 Write in exponential form.

20 Evaluate -4

21 Evaluate 2

22 Evaluate 4

23 Expand 2(log log 3 x) = 2log log 3 x log 3 (27x) 2

24 Expand log x – log 9

25 Condense

26 Condense

27 Evaluate. Round to 4 decimal places. log

28 log Evaluate. Round to 4 decimal places.

29 log Evaluate. Round to 4 decimal places.

30 log Evaluate. Round to 4 decimal places.