Solving Equations using Properties of Logarithms Answers
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1
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Which of the following shows the extraneous solution to the logarithmic equation?
A
x = negative 7
B
x = negative 3
C
and
D
and
2
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What is the solution to
A
x = six-nineteenths
B
x = eight-nineteenths
C
x = 7
D
x = 8
3
Which of the following shows the equation rewritten using logarithms?
A
4 Superscript log Subscript 4 Baseline (x + 6) Baseline = 2 squared
B
4 Superscript log Subscript 4 Baseline (x + 6) Baseline = 4 Superscript 4
C
log Subscript 4 Baseline (x + 6) = log Subscript 4 Baseline 16
D
log Subscript 4 Baseline (x + 6) = log Subscript 2 Baseline 16
4
Maria wrote the equation What is the solution to Maria’s equation?
A
x = three-tenths
B
x = four-fifths
C
x = five-fourths
D
x = ten-thirds
5
What is the true solution to the logarithmic equation below?
A
x = 2
B
x = 8
C
x = 64
D
x = 128
6
What is the solution to
A
x = 1
B
x = 2
C
x = 3
D
x = 4
7
Which logarithmic equation has the same solution as
A
log 3 squared = (x minus 4)
B
log 2 cubed = (x minus 4)
C
log Subscript 2 Baseline (x minus 4) = 3
D
log Subscript 3 Baseline (x minus 4) = 2
8
What is the solution to
A
x = negative 8
B
x = negative 3
C
x = 3
D
x = 8
9
What is the solution to
A
x = negative 8
B
x = negative 4
C
x = 4
D
x = 8
10
Which statement is true for
A
x + 1 = 3 squared
B
x + 1 = 2 cubed
C
2 (x + 1) = 3
D
3 (x + 1) = 2
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