Evaluating Logarithms: Quick Methods and Examples

The video tutorial explains how to evaluate logarithms by understanding their inverse relationship with exponential functions. It provides three examples: solving a logarithmic equation using base 2, finding the argument with base 3, and determining the base in a logarithmic equation. The tutorial emphasizes the concept of inverses and how exponentiation can be used to solve logarithmic equations.

What are logarithms and exponential functions considered in relation to each other?

• Inverses

• Equivalents

• Complements

• Multiples

Tags

CCSS.HSF.BF.B.5

How can you convert a logarithmic equation to an exponential form?

• By subtracting both sides

• By dividing both sides

• By exponentiating both sides

• By adding both sides

Tags

CCSS.HSF.BF.B.5

What is the result of exponentiating both sides of a logarithmic equation?

• It converts the base to a different value

• It creates a new logarithm

• It cancels the logarithm, leaving an exponential equation

• It leaves the equation unchanged

What is the primary purpose of converting logarithmic equations to exponential form?

• To make them easier to solve

• To reduce the equation to a simpler form

• To change the base of the logarithm

• To increase the complexity of the equation

Tags

CCSS.HSF.BF.B.5

What does exponentiating both sides of a logarithmic equation accomplish?

• It divides the equation

• It multiplies the base

• It cancels out the logarithm

• It simplifies the equation

If log base 2 of x equals -4, what is x?

• 16

• 1/16

• 4

• -4

Tags

CCSS.HSF.BF.B.5

What is the value of x when log base 3 of x equals 4?

• 12

• 81

• 27

• 9

Tags

CCSS.HSF.BF.B.5

How do you solve for the argument in a logarithmic equation?

• By subtracting the base

• By adding the exponent

• By dividing the base

• By exponentiating both sides

If log base x of 27 equals 3, what is x?

• 81

• 9

• 3

• 27

Tags

CCSS.HSF.BF.B.5

What method is used to solve for the base in a logarithmic equation?

• Multiplication

• Division

• Exponentiation

• Subtraction