Chapter 7 Test Logarithmic and Exponential Expressions

In the expression log 25, the base of the log is equal to

• 10

• 1

• e

• 2

what is the base of the logarithmic expression: ln2?

• a log whose base is equal to e.

• a log whose base is equal to 0

• a log whose base is equal to 1

• a log whose base is equal to 10

Which of the following is equivalent to  $5^2=25$  

•  $\log_525=2$  

•  $\log_225=5$  

•  $\log_{25}5=2$  

•  $\log25=2$  

 $\ln2=?$  

• .693

• .301

•  $e^2$  

• 2

 $\log_4\left(\frac{1}{64}\right)=?$  

•  $-3$  

•  $3$  

•  $\frac{1}{3}$  

•  $-\frac{1}{3}$  

Review: If  $y=3\left(1.34\right)^x$  then the growth rate is...

• 34%

• 134%

• 1.34%

• It is not an exponential growth function.  

Which of the following is equivalent to  $\log_39$  ?

• 3

• 2

• 9

• What's a logarithm?

Complete the statement: A logarithm is ,,,

• the inverse of an exponent

• musically gifted tree.

• base.

• an argument.

A common log is...

• a log whose base is equal to e.

• a log whose base is equal to 0

• a log whose base is equal to 1

• a log whose base is equal to 10