High School Math : Simplifying Logarithms

Study concepts, example questions & explanations for High School Math

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Example Questions

Example Question #23 : Functions And Graphs

Solve for

Possible Answers:

The correct solution set is not included among the other choices.

Correct answer:

The correct solution set is not included among the other choices.

Explanation:

FOIL: 

These are our possible solutions. However, we need to test them.

 

:

 

The equation becomes . This is true, so  is a solution.

 

:

 

However, negative numbers do not have logarithms, so this equation is meaningless.  is not a solution, and  is the one and only solution. Since this is not one of our choices, the correct response is "The correct solution set is not included among the other choices."

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