1.1: Properties of Real Numbers

Question 1

of any number a is -a. the sum of opposites is 0

Answer 1

opposite or additive inverse

Question 2

of any nonzero number a is 1/a. product reciprocals is 1.

Answer 2

reciprocal or multiplicative inverse

Question 3

is its distance from zero on the number line.

Answer 3

absolute value of a real number