Pre-Calculus Worksheet
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1
2Pre-Calculus
Name_______________________________________ Hour ___
5.5 Worksheet
Write each equation in logarithmic form.
1. 5 = 125
2. 27 = 81
Write each equation in exponential form.
3. log
0.00001 = −5
√
4. log
=
Evaluate each expression WITHOUT a calculator.
5. log 64
6. log 64
7. log 27
8. log 27
10. log 1
9. log
11. log 4
12. log 100,000
13. log 0.0001
Solve each equation WITHOUT a calculator.
15. log 16 = −4
14. log
=
16. log
= −3
17. log
=
18. log
=
19. log √ 9 =
√
20. log 32 = 3
21. log 2 = −2
22. log (3 + 7) = log (7 + 4)
23. log (8 + 20) = log ( + 6)
24. log ( 9 − 1 ) = log (4 − 16)
25. log ( − 9 ) = log (3 − 13)
26. log (
− 30 ) = log 6
27. log (
− 6 ) = log ( 2 + 2 )
28. log (
+ 6 ) = log 5
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