1.1 properties of real numbers

Question 1

distance from 0 on the number line

Answer 1

absolute value of a real number

Question 2

any non zero number a is 1/a the product is 1

Answer 2

reciprocal

Question 3

any number a is -a the sum of opposites is zero

Answer 3

additive inverse

Question 4

any number a is -a the sum of opposites is zero

Answer 4

opposite

Question 5

any non zero number a is 1/a the product is 1

Answer 5

multiplicative inverse