Logarithms

Rewrite log₂8 = 3 in exponential form

• 2⁸ = 3

• 2³ = 8

• 3² = 8

• 8³ = 2

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CCSS.HSF.BF.B.5

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81
• log₈₁3 = 4
• log₃81 = 4
• log₄81 = 3

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CCSS.HSF.BF.B.5

Write in logarithmic form

2^-4 = ¹/₁₆

• log₂(¹/₁₆) = -4

• log_-4(¹/₁₆) = 2

• log _-4 2 = ¹/₁₆

• log₂(-4) = ¹/₁₆

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CCSS.HSF.BF.B.5

Write in exponential form

log₂32 = 5

• 2^-5 = 32

• 2³² = 5

• 2⁵ = 32

• 32⁵ = 2

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CCSS.HSF.BF.B.5

log ₃ 9 =

• 1/2

• 2

• 1/3

• 3

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CCSS.HSF.BF.B.5

log ₂₅ 5 =

• 1/2

• 2

• 1/5

• 5

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CCSS.HSF.BF.B.5

log 1000 =

• 1/10

• 10

• 1/3

• 3

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CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

log ₂ 16

• 3

• 2

• 4

• 5

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CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Solve for x:
log₄ x = 3

• 4
• 12
• 32
• 64

Tags

CCSS.HSF.BF.B.5

Evaluate the logarithm. Type in the number only for the answer.

 $\log_636$  

Tags

CCSS.HSF.BF.B.5