Chapter 9, Problem 1PSQ

To determine

Tofind: $-3$ is rational number, integer or whole number.

Answer to Problem 1PSQ

Rational number and integer.

Explanation of Solution

Given information:

  $-3$

Rational Number- If a number can be expressed as a fraction, it is a rational number. A rational number will either have a terminating decimal or repeating decimal

We can represent $-3$ as a fraction as $\frac{-3}{1}$ , therefore, $-3$ is a rational number.

Whole number- Whole number is any nonfractional number from a set of 0 to positive infinity.

  $-3$ is not a whole number as it is negative.

Integer- Integers is a set of whole numbers and their negatives it varies from negative infinity to positive infinity.

  $-3$ is an integer.