Expanding a Logarithmic Expression Using Properties (5.8.2)

Question 1

• To simplify logs, expand them out using the log properties.

Answer 1

• To simplify logs, expand them out using the log properties.

Question 2

• A log written without a “b” value is the common log.

y = logx

In a common log, the “b” value is understood to be 10. In other words, y = logx is equivalent to the statement 10y
= x.

Answer 2

• A log written without a “b” value is the common log.

y = logx

In a common log, the “b” value is understood to be 10. In other words, y = logx is equivalent to the statement 10y
= x.