You need to remember the Sign Rules for Division:
And the Sign Rules for Multiplication:
Then, knowing those rules, you can solve the operations given in the exercise:
1. For the Integer Division:
The result is positive because both numbers have the same sign.
Now, knowing that result, you can set up the following Related Equation using Integer Multiplication:
2. For the second Division, you get:
Then, its corresponding Related Equation using Integer Multiplication can be:
3. For the next one, you get:
So, its corresponding Related Equation using Integer Multiplication can be:
4. For the last Division, you get:
Hence, its corresponding Related Equation using Integer Multiplication can be:
Therefore, the answer is: