Understanding Logarithms and Exponential Equations

The video tutorial explains how to convert a logarithmic equation into an exponential equation. It begins by defining a logarithm as a way to find the exponent needed to raise a base to achieve a certain number. The example used is converting log base 4 of 2 equals 1/2 into an exponential equation, which is expressed as 4 raised to the 1/2 power equals 2. The tutorial further clarifies the value of a logarithm by explaining the relationship between the base, exponent, and the result.

What does a logarithm tell you about the relationship between the base and the result?

• The exponent needed to raise the base to get the result.

• The base is multiplied by the result.

• The result is subtracted from the base.

• The base is divided by the result.

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How can the equation log base 4 of 2 equals 1/2 be expressed in exponential form?

• 4^2 = 1/2

• 4^(1/2) = 2

• 2^4 = 1/2

• 2^(1/2) = 4

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CCSS.HSF.BF.B.5

What is the base in the exponential equation derived from log base 4 of 2 equals 1/2?

• 2

• 1/2

• 4

• 8

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In the context of logarithms, what does the expression 4^(1/2) = 2 signify?

• 4 subtracted by 2 equals 2.

• 4 is divided by 2 to get 1/2.

• 4 is multiplied by 2 to get 8.

• 4 raised to the power of 1/2 equals 2.

What is the result when 4 is raised to the 1/2 power?

• 8

• 4

• 2

• 1

Which of the following best describes the purpose of a logarithm?

• To find the sum of two numbers.

• To determine the exponent needed to reach a certain value from a base.

• To calculate the product of a base and an exponent.

• To divide a number by its base.