ISEE Upper Level Math : Variables and Exponents

Study concepts, example questions & explanations for ISEE Upper Level Math

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Example Questions

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Example Question #71 : Variables And Exponents

Simplify:

Possible Answers:

Correct answer:

Explanation:

Example Question #72 : Variables And Exponents

Divide the following:

Possible Answers:

Correct answer:

Explanation:

To divide variables with exponents, we will use the following formula:

 

Now, let’s combine the following:

Example Question #73 : Variables And Exponents

Divide the following:

Possible Answers:

Correct answer:

Explanation:

When dividing variables, we can only divide like variable.

Also, when dividing variables with exponents, we subtract the exponents.  In other words:

 

So, we get

Example Question #74 : Variables And Exponents

Simplify:

Possible Answers:

Correct answer:

Explanation:

To simplify, we will use the following formula:

 

So, given the problem, we get

Example Question #75 : Variables And Exponents

Divide the following:

Possible Answers:

Correct answer:

Explanation:

To divide like terms with exponents, we will use the following formula:

 

So, we get

 

 

Example Question #76 : Variables And Exponents

Divide the following:

Possible Answers:

Correct answer:

Explanation:

To divide like variables with exponents, we will use the following formula:

 

So, we get

Example Question #77 : Variables And Exponents

Divide the following::

Possible Answers:

Correct answer:

Explanation:

To divide variables with exponents, we will use the following formula:

 

Now, let’s divide the following:

Example Question #78 : Variables And Exponents

Solve the following:

 

Possible Answers:

Correct answer:

Explanation:

To divide like variables with exponents, we will use the following formula:

Also, we divide the coefficients like normal. 

So, we get

 

 

 

 

 

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