Question

3. Which of the following is a rational

humber that is not an integer?
A-2
CO
B -0.5
D 4

Answer 1

- 0.5 or - ½

Explanation:

It is a fraction, decimal not a whole number

Answer 2

B -0.5

Explanation:

A rational number can be written as an integer over an integer.

-0.5 is not an integer, but it can be re-written as

`(-0.5)/(1)`

Then multiply the numerator and denominator by 10

`(-0.5)/(1)` x
`(10)/(10)` =
`(-5)/(10)` =
`(-1)/(2)` This id an integer over an integer.

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