Question

Identify which condition is necessary for a number to be rational.(1 point)%0D%0AResponses%0D%0A%0D%0AIt must be able to be expressed as an integer divided by a nonzero integer.%0D%0AIt must be able to be expressed as an integer divided by a nonzero integer.%0D%0A%0D%0AIt must not be an endless decimal.%0D%0AIt must not be an endless decimal.%0D%0A%0D%0AIt must be written as a fraction.%0D%0AIt must be written as a fraction.%0D%0A%0D%0AIt must not be negative.

Answer 1

The necessary condition for a number to be rational is:

**It must be able to be expressed as an integer divided by a nonzero integer.**

This means that a rational number can be written in the form \( \frac{a}{b} \), where \( a \) is an integer and \( b \) is a nonzero integer.