Algebra 2 Logarithm Review

log₅25 = ?

• 2

• 5

• 125

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81

• log₈₁3 = 4

• log₃81 = 4

• log₄81 = 3

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Write in exponential form.
log₂(¹/₈) = -3

• 2^-3 = ¹/₈

• 2^1/8 = -3

• -3² = ¹/₈

• -3^1/8 = 2

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Rewrite in logarithmic form.

Mathematical Equivalence

OFF

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Evaluate the log:

log₅(1/125) =

• 1/3

• 3

• -3

• 2

Mathematical Equivalence

OFF

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log₂32 = 5

• 2^-5 = 32

• 2³² = 5

• 2⁵ = 32

• 32⁵ = 2

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Solve for x:

e^x=7

• ln7 = x

• ln⁷ = x

• 7^ln = x

• No solution

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Evaluate.
Log₂64

• A

• B

• C

• D

log₂32 = 5

• 2^-5 = 32

• 2³² = 5

• 2⁵ = 32

• 32⁵ = 2

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