Period 1: Extra Credit 02/04

Rewrite log_pt = m in exponential form.

• p^t = m
• t^m = p
• m^t = p
• p^m = t

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CCSS.HSF.BF.B.5

• 203

• 200

• 240

• 243

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log ₂₅ 5 = 1/2

• 25⁵ = 1/2

• 25^1/2 = 5

• 5²⁵ = 1/2

• 5^1/2 = 25

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log _k 13 = 7

• 7^k = 13

• 13^k = 7

• k⁷ = 13

• 7¹³ = k

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log ₉ 27 = 3/2

• 9²⁷ = 3/2

• 27⁹ = 3/2

• 9 = 27^3/2

• 27 = 9^3/2

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CCSS.HSF.BF.B.5

log ₁₂ 99 = t

• t = 99¹²

• 12 = t⁹⁹

• 99 = 12^t

• t = 12⁹⁹

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CCSS.HSF.BF.B.5

Write 10⁴= 10000 in logarithmic form.

• log₁₀ 4 = 10000
• log₁₀₀₀₀ 4 = 10
• log₁₀ 10000 = 4
• log₄ 10000 = 10

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CCSS.HSF.BF.B.5

The common logarithm has what base?

• 10
• 0
• e
• -e

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Write log₆ 216 = 3 in exponential form.

• 3⁶=216
• 6³=216
• 216⁶=3
• 3²¹⁶=6

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CCSS.HSF.BF.B.5

Evaluate log_b(b)

• -1
• 0
• 1
• b

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CCSS.HSF.BF.B.5