Logarithms Basics

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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

Tags

CCSS.HSF.BF.B.5

Evaluate the following logarithm:

log₅5

• 1

• 0

• -1

• ¹/₂

Evaluate the following logarithm:

log₃3

• 1

• 0

• -1

• ¹/₂

Evaluate the following logarithm:

log₄16

• 1

• -2

• 2

• ¹/₂

Evaluate the following logarithm:

log₄(¹/₆₄)

• 3

• -¹/₃

• -3

• ¹/₃

Re-Write the Exponential Equation into Logarithmic Form
5^x = 625

• x = log₅625 

• log₅x = 625

• 5 = log_x625

• log₅x = 625

Tags

CCSS.HSF.BF.B.5

Re-Write the Exponential Equation into Logarithmic Form
e⁴ = 54.60

• 4 = ln (54.60) 

• ln (4) = 54.60

• 4 = log (54.60) 

• log (e) = 54.60

Tags

CCSS.HSF.BF.B.5