Logarithm Review

log100 =

• 1

• 2

• 3

• 4

log1,000 =

• 1

• 2

• 3

• 4

 $\ln e^4\ =$  

• - 4

• 0

• 1

• 4

 $\log_5125\ =$  

• -3

• 0

• 2

• 3

• 5

 $\log_2\ \frac{1}{8}=$  

• 3

• 2

• 1

• -3

• -4

 $\log_{\frac{1}{4}}\left(\frac{1}{16}\right)\ =$  

• -2

• -1

• 0

• 1

• 2

Re-write as an logarithmic expression:
 $5^4=625$  

•  $\log_{625}5=4$  

•  $\log_54=625$  

•  $\log_5625=4$  

•  $\log_4625=5$  

Tags

CCSS.HSF.BF.B.5

 $5^x=25$  
Which of the following is the equivalent?

•  $x=\log_525$  

•  $x=\log_{25}5$  

•  $x=\frac{1}{5}$  

•  $x=5^{25}$  

•  $x=5\ln25$  

Tags

CCSS.HSF.BF.B.5

 $3^x=729$  

Which of the following is the equivalent?

•  $x=3\ln729$  

•  $x=729^3$  

•  $x=\frac{1}{243}$  

•  $x=\log_3729$  

•  $x=\log_{729}3$  

Tags

CCSS.HSF.BF.B.5

Which of the following is graphed here?

• $y\ =\ \ln x\ +\ 2$

• $y=\ln x\ -\ 2$

• $y=\ln\left(x+2\right)$

• $y=\ln\left(x-2\right)$

Tags

CCSS.HSF-IF.C.7E