In each of the following, state whether the statements are true (T) or false (F).

If is the additive inverse of , then.

In each of the following, state whether the statements are true (T) or false (F).

If is the additive inverse of , then.

In each of the following, state whether the statements are true (T) or false (F).

For every rational number x, x + 1 = x.

In each of the following, state whether the statements are true (T) or false (F).

The reciprocal of a non-zero rational number is the rational number .

In each of the following, state whether the statements are true (T) or false (F).

If x + y = 0, then –y is known as the negative of x, where x and y are rational numbers.