Log Quiz Review

If no base is written, what is the base?

• 10

• 0

• e

• -e

Rewrite log₂8 = 3 in exponential form.

• 2⁸ = 3
• 2³ = 8
• 3² = 8
• 8³ = 2

Change to Logarithmic Form:
12² = 144

• log ₂ 144 = 12
• log ₁₂ 144 = 2
• log ₁₂ 2 = 144
• log ₂ 12 = 144

Rewrite in logarithmic form. 7⁰=1

• log₀7=1
• log₇0=1
• log₇1=0
• log₁7=0

Simplify using properties of logs. log₅5⁴

• 5

• 625

• 4

• 25

log₉1

• 8
• 0
• 1
• 9

log₃81 = 

• 2
• 3
• 4
• 5

log₆6

• -1
• 0
• 2
• 1

log₂32

• 5
• 4
• 16
• 6

log₂⅛

• -3
• -4
• 2
• 8