HA2 Logarithms

Front

Evaluate: log₃81

Back

4

Front

Write in logarithmic form: 2⁻⁴ = 1/16

Back

log₂(1/16) = -4

Front

Solve for x: logₓ25 = 2

Back

5

Front

Write in exponential form: log₂32 = 5

Back

2⁵ = 32

Front

Evaluate: 3 log₂4

Back

6

Front

Define logarithm.

Back

A logarithm is the power to which a number must be raised to obtain another number.

Front

What is the base of a logarithm?

Back

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

Front

Convert to exponential form: log₄16 = 2

Back

4² = 16

Front

Evaluate: log₁₀1000

Back

3

Front

What is the change of base formula?

Back

logₐb = logₓb / logₓa for any base x.