Which of these quotients is not possible to find?
1/-1
-1/0
-1/1
0/-1

-1/0

Step-by-step explanation:

We cannot divide by 0

I would ask you to divide a cookie into 0 pieces.  You cannot do it.  So dividing by 0 is impossible

All are possible except -1/0.

Step-by-step explanation:

You can't divide by 0, ever, in math. Wonky things have been known to happen if you do that defy the rules of mathematics. It's constructs like these that make math as a system function--if we break them, we might as well give up math entirely.

How do you even picture dividing by zero? If you divide by something normal like 2, you can picture giving two friends equal portions of apples. But divide by 0? What are you even doing?