Name: _______________________
Period: ______ Date: ___________
HC3 – Logarithms 1
Exponential Logarithmic
Convert each equation from exponential to logarithmic form.
1.
53  125
2.
1000000  106
3.
75  16807
4.
23  8
5.
121  112
6.
10 y  x
7.
144  122
8.
33  27
9.
343  7 x
10.
21 
11.
5  e1.6
12. 103  1000
1
2
Convert each equation from logarithmic to exponential form.
1
 5
243
13.
log11121  2
14.
0  log10 1
15. log 3
16.
y  log x
17.
y  log15 30
18. y  log105  5
19.
log 4 64  3
20.
ln 2.718  1
21. 2  log 3 81
22.
ln 8  2.08
23.
2  log 7 49
24. log 6 16 
2
3