Log Practice Worksheet With Answers
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1
2
3
4Precalculus 300
Name__________________
Log Practice
Date___________________
Write each equation in logarithmic form
−
2
⎛
⎞
1
49 =
=
−
=
⎜
⎟
2
2
1)
7
2)
4
3)
10
. 0
01
⎝
⎠
2
Write each equation in exponential form
1
=
=
=
−
log
128
7
log
8192
13
4)
5)
6)
log
2
2
2
3
9
Given that the (log 3 ≈ .4771), (log 4 ≈ .6021), and (log 5 ≈ .6990) then find the next logarithms.
7) log 48
8) log 0.8
9) log 75
−
log 1 log1
10) log (16/5)
11)
6
Evaluate each logarithm
5
12)
log
7
13)
log
2
14)
log
8
49
2
4
Write each logarithmic expression as a single logarithm.
+
−
log
4
log
3
log
25
log
5
15)
16)
5
5
6
6
+
−
−
17)
log
4
log
2
log
8
18)
2
log
x
3
log
y
2
2
2
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