Multiplying & Dividing Real Numbers

Question 1

Reciprocal

Answer 1

The reciprocal of a non zero real number of the form a/b is b/a. The product of a number and its reciprocal is 1, so the reciprocal of a number is its multiplicative inverse .

Question 2

Multiplicative inverse

Answer 2

The multiplicative inverse of -4 is -1/4 because -4(-1/4)=1