Logarithm and Exponential Form

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

Write log₃ 81 = 4 in exponential form.

• 81⁴=3

• 81³=4

• 4³=81

• 3⁴=81

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CCSS.HSF.BF.B.5

• 2
• 1/2
• -2
• 4

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CCSS.HSF.BF.B.5

log₂(x + 5) = 3

• 3

• 4

• 5

• 6

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CCSS.HSF.BF.B.5

• 0
• 1
• -3
• 3

Rewrite in exponential form.

• A

• B

• C

• D

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CCSS.HSF.BF.B.5

Rewrite in exponential form.

• A

• B

• C

• D

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CCSS.HSF.BF.B.5

Write log₂ 0.25 = -2 in exponential form

• -2²  = 0.25

• -2^0.25  = 2

• 2^-2  = 0.25

• No correct answer

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CCSS.HSF.BF.B.5

log₂(¹/₈) = -3

• 2^-3 = ¹/₈

• 2^1/8 = -3

• -3² = ¹/₈

• -3^1/8 = 2

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CCSS.HSF.BF.B.5

What is the log form of a = e^y ?

• ln(a) = y

• ln(y) = a

• log(a) = y

• log(y) = a

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CCSS.HSF.BF.B.5