Ch. 7 Day 1-2

Rewrite the exponential equation. $4^3=64$  

•  $\log_364=4$  

•  $\log_464=3$  

•  $\log_34=64$  

•  $\log_43=64$  

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CCSS.HSF.BF.B.5

Change to Exponential Form:
log₆36 = 2

• 2⁶=36
• 6²=36
• 36²=6
• 36⁶=2

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CCSS.HSF.BF.B.5

Evaluate.
log₃81

• 4
• ¹/₄
• -4
• -¹/₄

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Logarithms are the inverse of ___________.

• Trees
• Quadratics
• Square
• Exponential

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Evaluate:
log₄16

• 2
• 4
• 1/2
• -2

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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.
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

Evaluate the log by thinking " 3 to what power is 1/9" so

log₃(1/9) =

• 1/2

• 2

• -2

• 3

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True or False: log₈64=2

• True
• False

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log₂(x+3)=4

• 16

• 13

• 3

• 10

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CCSS.HSF.LE.A.4