Exponent to Logarithm

Use the change of base formula and your calculator to approximate the log.

• A

• B

• C

• D

Write in logarithmic form.
5² = 25

• log₅2 = 25

• log₂25 = 5

• log₂₅5 = 2

• log₅25 = 2

log₂32 = 5

• 2^-5 = 32

• 2³² = 5

• 2⁵ = 32

• 32⁵ = 2

Logarithms are the inverse of ___________.

• Linear

• Quadratics

• Cubes

• Exponential

Logarithms are the inverse of ___________.

• Trees

• Quadratics

• Square

• Exponential

Logarithmic functions are the inverse of...

• Linear Functions

• Exponential Functions 

• Quadratic Functions 

• Polynomial Functions 

Solve the equation for x.

• 7.389

• 0.693

• 0.0183

• 6.581

Solve for x:

• 1

• 2

• .5

• 4

A logarithmic function is the inverse of an exponential function. (a)  

• True

• False

• A

• B

• C

• D