Logarithm Practice

Write in logarithmic form:
9² = 81

• log ₉ 81 = 2

• log ₂ 81 = 9

• log ₉ 2 = 81

• log ₂ 9 = 81

Write in logarithmic form:
4⁵ = 1024

• log ₄ 1024 = 5

• log ₅ 1024 = 4

• log ₄ 5 = 1024

• log ₅ 4 = 1024

Expand

• A

• B

• C

• D

Write as a single logarithm.

16 log u +4 log v

• log(v⁴u¹⁶)

• log(v⁴u⁴)

• log(vuw⁴)

Condense into a single logarithm.

• A

• B

• C

• D

Write the logarithm expression as a single logarithm

2log 4 + log 2

• log 8

• log 16

• log 32

• log 8²

Condense this expression into a single logarithm.

• 
• 
• 
• 

Using the change of base rule, what is this logarithm equivalent to?

• A

• B

• C

• D

Evaluate log₄1

• 1

• 0

• 4

• undefined