#### Answer

a. A & B both have to be negative or positive integers
b. A is positive, and B is negative OR, A is negative, and B is positive
c. A=0, B does not equal 0
d. A does not equal 0, B=0

#### Work Step by Step

a. Whenever 2 integers A and B have the same sign, their product or quotient will always be positive
b. Whenever 2 integers A and B have different signs, their product or quotient will always be negative
c. whenever there is a 0 on the dividend, the quotient will equal 0
d. whenever there is a 0 on the divisor, the quotient will be undefined