College Algebra Chapter 1 Section 1 For 113, DO NOT WRITE A PARAGRAPH AS REQUESTED. I know that a/0 is undefined because division by zero is not possible. Why is 0/0 undefined? Elementary school math teachers teach that 0 is a whole number. So, whole/whole = whole number. I know that 0/0 is undefined. Why? [ATTACH=full]2493[/ATTACH]