Writing Logarithmic Equations Worksheet
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1
2College Algebra
Writing Logarithmic Equations
Name ________________________
Homework
Directions:
Evaluate
the
given
expression
without
using
a
calculator.
1.
log
16
2.
log
64
!
!
!
!
3.
log
4.
log
!
!
!"
!
5. log
4
6. log
3
!"
!"
7. log
1
8. log
1000
!
!"
9.
log
0.01
10. log
10
!"
!"
!
!
11. ln ��
12. ln
!
!!
13. ln ��
14. ln 1
!
!
15. log
��
16. log
!
!
!
Directions:
Use
the
definition
of
a
logarithm
to
write
the
given
equation
in
logarithmic
form.
For
example,
the
logarithmic
form
of
2
= 8
is
log
8 = 3.
3
2
!
!
17. 5
= 125
18. 8
= 64
! !
! !
19. 81
= 3
20.9
= 27
!
!!
!!
21. 6
=
22. 10
= 0.001
!"
!
!
23. ��
≈ 20.0855
24. ��
= 1
!
!
25. ��
= 4
26. ��
= ��
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