Intermediate Algebra Unit 9: Logarithms Worksheet - Tangient Llc Page 4
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25Intermediate Algebra
Unit 9: Logarithms
Common Logarithm:
Change of Base Formula:
Use logarithmic and exponential properties to solve for x:
=
=
1
(1)
log
8
x
(3)
log
256
x
=
2
(2)
log
x
4
2
4
=
=
1
(4)
log
64
2
(5)
log
125
3
=
x
x
(6)
log
6
x
3
=
(7)
1
2
log
x
0
=
=
7
(8)
log
x
(9)
log
x
81
64
2
3
log =
=
(10)
x
7
(11)
log
100
x
1
=
−
(12)
log
1
x
10
3
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