1.1 Properties of Real Numbers

Question 1

Opposite or addictive inverse

Answer 1

of any number a is - a The sum of opposite is 0

Question 2

reciprocal multiplicative inverse

Answer 2

of any nonzero number a is 1/a 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