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Logarithms Intro

Total questions: 10

Worksheet time: 25mins

Name
Class
Date
1.
Rewrite log28 = 3 in exponential form.
a)
28 = 3
b)
23 = 8
c)
32 = 8
d)
83 = 2
2.
Rewrite logpt = m in exponential form.
a)
pt = m
b)
tm = p
c)
mt = p
d)
pm = t
3.
Rewrite 34 = 81 in logarithmic form.
a)
log34 = 81
b)
log813 = 4
c)
log381 = 4
d)
log481 = 3
4.
Change to Logarithmic Form:
122 = 144
a)
log 2 144 = 12
b)
log 12 144 = 2
c)
log 12 2 = 144
d)
log 2 12 = 144
5.
Solve for x.
log525 = x
a)
2
b)
5
c)
125
d)
0.2
6.
Solve for x.
log5 1 = x
a)
0
b)
-1
c)
2
d)
1
7.
a)
H
b)
F
c)
G
d)
J
8.
a)
F
b)
G
c)
H
d)
J
9.
Solve for x.
a)
390,625
b)
1250
c)
312.5
d)
25
10.
The school lawn is being overtaken by geese.  If there are 12 geese on Monday, and the number of geese increases by 30% every day, how many are there in 2 weeks?
a)
12(0.30)14
b)
12(0.30)2
c)
12(1.30)14
d)
12(1.30)2