WorksheetsLogarithmic Functions
Total questions: 10
Worksheet time: 3mins
Name
Class
Date
1.
Rewrite 34 = 81 in logarithmic form.
a)
log34 = 81
b)
log813 = 4
c)
log381 = 4
d)
log481 = 3
2.
Rewrite logpt = m in exponential form.
a)
pt = m
b)
tm = p
c)
mt = p
d)
pm = t
3.
log525 = ?
a)
2
b)
5
c)
125
d)
10
4.
Evaluate: log416
a)
2
b)
4
c)
1/2
d)
-2
5.
Write in logarithmic form:45 = 1024
a)
log 4 1024 = 5
b)
log 5 1024 = 4
c)
log 4 5 = 1024
d)
log 5 4 = 1024
6.
Write in exponential form:
log 2 32 = 5
a)
232 = 5
b)
532 = 2
c)
52 = 32
d)
25 = 32
7.
Solve for x:
log4 x = 3
a)
4
b)
12
c)
64
d)
32
8.
What is the base of a common logarithm?
a)
1
b)
10
c)
e
d)
-e
9.
Evaluate logb(b)
a)
b
b)
1
c)
0
d)
-1
10.
Q1. Rewrite log28 = 3 in exponential form.
a)
28 = 3
b)
23 = 8
c)
32 = 8
d)
83 = 2
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