properties of real numbers

Question 1

absolute value of a real number

Answer 1

Its distance from zero on the number line

Question 2

reciprocal

Answer 2

of any nonzero number a us 1/a.

Question 3

additive inverse

Answer 3

any number a is -a

Question 4

opposite

Answer 4

the sum of the opposites is 0

Question 5

multiplicative inverse

Answer 5

the product of reciprocals is 1