Practice Logarithms

Rewrite in exponential form: 
2=log₉x

• 9^x=2
• 2^x=9
• 2⁹=x
• 9²=x

Rewrite log_vn = a in exponential form.

• v^a = n
• n^a = v
• vⁿ = a
• aⁿ = v

Write 6^x = 8 in log form.

• log₆ 8 = x

• log₈ 6 = x

• log₆ x = 8

• log₈ x = 6

Logarithms are the inverse of ___________.

• Trees
• Quadratics
• Square
• Exponential

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81
• log₈₁3 = 4
• log₃81 = 4
• log₄81 = 3

log ₂ 16

• 3

• 2

• 4

• 5

log 1000 =

• 1/10

• 10

• 1/3

• 3

log ₃ 9 =

• 1/2

• 2

• 1/3

• 3

log ₂₅ 5 =

• 1/2

• 2

• 1/5

• 5