Finding Logs

Front

Change to Exponential Form: log₆36 = 2

Back

6² = 36

Front

Evaluate log₆ -36 without a calculator

Back

not possible

Front

Evaluate log₁₂₅ 25 without a calculator

Back

2/3

Front

Evaluate log₄ 1 without a calculator

Back

0

Front

Determine which of the following yields a negative answer: log₉(1/30), log₉ 3, log₉ -81, log₉ 1

Back

log₉(1/30)

Front

Definition of Logarithm

Back

A logarithm is the exponent to which a base must be raised to produce a given number.

Front

Change to Logarithmic Form: 2² = 4

Back

log₂ 4 = 2

Front

What is the base of a logarithm?

Back

The base of a logarithm is the number that is raised to a power to obtain a certain value.

Front

Evaluate log₁₀ 10

Back

1

Front

What is logₐ 1 for any base a?

Back

0, because a^0 = 1.