What is the product of a rational number and 0?

• 0

• 1

• the rational number itself.

Complete the following table:

If a property holds for rational numbers, will it also hold for integers? For whole Numbers? Which will? Which will not?

Mention the rational number that does not have reciprocal.

Mention the rational numbers that are equal to their reciprocals.

Mention the rational number that is equal to its negative.

Zero has ______ reciprocal.

The numbers ______ and ______ are their own reciprocals.

The reciprocal of –5 is ______.

The reciprocal of 1/x, where x # 0 is

The product of two rational numbers is always a ___________.