(i) If `axx(-1)=-30 ,` is the integer a positive or negative? (ii) If `axx(-1)=30 ,` is the integer a positive or negative?

Negative integers

If x is a negative integer, -x is a positive integer.

Negative of a negative integer

What will be the sign of the product if we multiply together (i) 8 negative integers and 1 positive integers? (ii) 21 negative integers and 13 positive integers? (ii) 199 negative integers and 10 positive integers?

Zero is not an integer as it is neither positive nor negative.

Product of a negative integer and a positive integer is a positive integer

Which of the following statements are true? ( i ) The sum of a number and its opposite is zero. (ii) The sum of two negative integers is a positive integer.(ii) The sum of a negative integer and a positive integer is always a negative integer.(iv) The successor of -1backslash is backslash1. (v) The sum of three different integers can never be zero.

Write a positive integer and a negative integer whose difference is a positive integer.

Write a positive integer and a negative integer whose sum is a positive integer.

The sum of two negative integers is a positive integer.