Question

What type of number is -4/2?

Choose all answers that apply:

(Choice A) Whole number

(Choice B) Integer

(Choice C) Rational

(Choice D) Irrational

Answer 1

The type of number that represents -4/2 is:

Choice B) Integer

Choice C) Rational

Explanation:

The number -4/2 is an integer because it represents a whole number (-2) and it is also a rational number because it can be expressed as a fraction of two integers.

Answer 2

-4/2 is an :

↬ Integer

↬ Rational number

Solution:

Before we make any decisions about the type of number -4/2 is, let's simplify it first.

It's the same as -2. Now, let's familiarize ourselves with the sets of numbers out there. Where does -2 fit in?

______________

Whole numbers

This set incorporates only positive numbers and zero. So -2 doesn't belong here.

Integers

This set incorporates whole numbers and negative numbers. So -2 belongs here.

Rationals

This set has integers, fractions, and decimals. So -2 does belong here too.

Irrationals

This is a set for numbers that cannot be written in fraction form (a/b, where b ≠ 0). So -2 doesn't belong here.

Summary

-4/2 belongs in the integer and rationals set.

Hence, Choices B and C are correct.