Logarithm - Solve Page 2
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1
2Name :
Score :
Answer key
Solve for x.
Example 1:
Example 2:
log 9 = x
log 2 = –1
81
= 9
x =
£
¤
¥
¡
9
= 9
x =
¢
4
¡
1
x =
2
Solve for x.
1
1)
2)
log 5 =
log x = 2
3
x =
x =
125
1024
1
1
3) log
= x
4) log
= x
4
2
1
2
x =
x =
–
–
2
7
1
5) log
= x
6) log 8 = x
4
3
2
x =
x =
5
3
7) log 6 = 1
8) log 16 = 1
3
x =
x =
216
2
9) log x = 3
10) log 3 = x
2
x =
x =
–
125
3
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