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WorksheetsLogarithm Equations
Total questions: 15
Worksheet time: 2hrs 33mins
Name
Class
Date
1.
Solve log(x) + log(x+3) = 1
a)
5
b)
-2
c)
-5
d)
2
2.
log2(x + 2) + log2x = 3
a)
-4, 2
b)
-2, 4
c)
2
d)
1
3.
log5(4x-7)=log5(x+5)
a)
3
b)
12
c)
4
d)
7
4.
Solve
a)
A
b)
B
c)
C
d)
D
5.
a)
5
b)
13
c)
84
d)
-20
6.
a)
no solution
b)
only 6
c)
6 and -2
d)
3
7.
log4(3x-1)=log4(2x+3)
a)
4
b)
3
c)
1
d)
8
8.
log2(x2 - 6) = log2(2x+2)
a)
4, -2
b)
No Solution
c)
4
d)
-2
9.
log2(x+3)=4
a)
16
b)
13
c)
3
d)
10
10.
logx1000=3
a)
1
b)
10
c)
30
d)
3
11.
log8(4x+4)=2
a)
15
b)
12
c)
10
d)
3
12.
a)
x is undefined
b)
x = 2
c)
x= 0.4
d)
x = 33
13.
a)
x = 5 and x = -2
b)
x = -2
c)
x = 5
d)
x = -10 and x = 10
14.
a)
x = 21
b)
x= 49/3
c)
x = 49
d)
x = 147
15.
Log with a base "e" (loge) is the same thing as...
a)
"e"
b)
Natural Logarithm (LN)
c)
Common Logarithm (Log)
d)
Natural Log, base "e"
LNe
LNe
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