If a number is rational, it cannot be:
Show answer & explanation
Correct answer: C
Explanation
A rational number is one that can be written in the form p/q, where p and q are integers and q ≠ 0.
Examples: 2/3, 5, -7, 0.25
An irrational number cannot be written in the form p/q.
Examples: √2, √3, π
Therefore, if a number is rational, it cannot be an irrational number.