Intro Logarithms

• H
• F
• G
• J

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CCSS.HSF.BF.B.5

• F
• G
• H
• J

Rewrite log₂8 = 3 in exponential form.

• 2⁸ = 3

• 2³ = 8

• 3² = 8

• 8³ = 2

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CCSS.HSF.BF.B.5

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

Log with a base "e" (log_e) is the same thing as...

• "e"

• Natural Logarithm (LN)

• Common Logarithm (Log)

• Natural Log, base "e"
  LN_e

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CCSS.HSF.BF.B.5

Solve the equation for x.

• 7.389

• 0.693

• 0.0183

• 6.581

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CCSS.HSF.BF.B.5

• x = 2

• x = -2

• y = 2

• y = -2

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CCSS.HSF-IF.C.7E

Solve for x:

• 1

• 2

• .5

• 4

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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

Change to Logarithmic Form:
12² = 144

• log ₂ 144 = 12

• log ₁₂ 144 = 2

• log ₁₂ 2 = 144

• log ₂ 12 = 144

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CCSS.HSF.BF.B.5