Pre-Algebra : Multiplicative Inverse Property

Study concepts, example questions & explanations for Pre-Algebra

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Example Questions

Example Question #431 : Operations And Properties

Simplify.

Possible Answers:

Correct answer:

Explanation:

To simplify a compound fraction, multiply the numerator by the reciprocal of the denominator. Remember that a compound fraction can easily be rewritten as a division problem!

Solve the multiplication.

Now we need to reduce the fraction to find our final answer.

Example Question #432 : Operations And Properties

What is the multiplicative inverse of      where 

Possible Answers:

Correct answer:

Explanation:

The rule for Multiplicative Inverse Property is   where .

Using this rule, if 

,

then   is the Mulitplicative inverse, which is  .

After you simplify you get  which is the Multiplicative Inverse.

Example Question #3 : Multiplicative Inverse Property

What is the multiplicative inverse of    where  ?

Possible Answers:

Correct answer:

Explanation:

The rule for Multiplicative Inverse Property is 

 

where .

 Using this rule, if 

,

then   is the  mulitplicative inverse, which is .

 

After you simplify you get  which is the multiplicative inverse.

Example Question #4 : Multiplicative Inverse Property

Which of the following statements demonstrates the inverse property of multiplication? 

Possible Answers:

None of the examples in the other responses demonstrates the inverse property of multiplication.

Correct answer:

Explanation:

The inverse property of multiplication states that for every real number, a number exists, called the multiplicative inverse, such that the number and its inverse have product 1. Of the statements given, only 

demonstrates this property.

Example Question #1 : Multiplicative Inverse Property

Which of the following displays the multiplicative inverse property?

Possible Answers:

Correct answer:

Explanation:

The mulitplicative inverse property deals with reciprocals.  For example, the multiplicative inverse, or reciprocal, of the number 7 is .  

The multiplicative inverse property states that a number times its multiplicative inverse equals 1.  

Therefore,

displays the multiplicative inverse property.

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