1.1 properties of real numbers

Question 1

opposite

Answer 1

The sum of opposites is 0

Question 2

reciprocal

Answer 2

The product of reciprocals is 1.

Question 3

absolute value of a real number

Answer 3

is its distance from zero on the number line.

Question 4

additive inverse

Answer 4

of any number a is -a.

Question 5

multiplicative inverse

Answer 5

of any nonzero number a is 1/a.