Logarithms

Rewrite log₂8 = 3 in exponential form

• 2⁸ = 3

• 2³ = 8

• 3² = 8

• 8³ = 2

Rewrite the equation into logarithmic form:
6² = 36

• log₆ 2 = 36
• log₆ 36 = 2
• ln 36 = 2
• 6³⁶ = 2

Evaluate log_b(b)

• -1
• 0
• 1
• b

log₅25 = ?

• 2
• 5
• 125

The base of common log is 10. So log 100 = ?

• 1

• 2

• 10

• 50

Evaluate the following logarithm:

log₁₂1

• 1

• 0

• -1

• ¹/₂

Evaluate the following logarithm:

log₄2

• -¹/₂

• -2

• 2

• ¹/₂

• -¹/₂

• -1

• 1

• ¹/₂

Evaluate the following logarithm:

log₃(¹/₃)

• -2

• -¹/₂

• -1

• ¹/₂

Evaluate the following logarithm:

log₈4

• ²/₃

• ³/₂

• ³/₄

• ¹/₂