Indentify which condition is necessary for a number to be rational

Question

A.It must be an endless decimal
B.It must be written as a fraction
C.It must not be negative
D.It must be able to be expressed as an integer divided by a nonzero integer

Answer 1

The condition necessary for a number to be rational is:

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

A rational number is defined as any number that can be expressed in the form \( \frac{p}{q} \), where \( p \) is an integer and \( q \) is a nonzero integer.