Question

Is the following number rational or irrational?
-0.25

Answer 1

irrational

Answer 2

How do you find it irrational?

Answer 3

The definition of a rational number is that it can be written as:\[p/q\] where p and q are both integers. Can you write it like that?

Answer 4

no

Answer 5

Like if you can say a number in two seconds, then it is always rational.
Minus two point five.
Took me a second lol

Answer 6

But you'd take forever to say \(\pi\) in its digits, so it is irrational.

Answer 7

rational number are those which are not further divisible
or they are non terminating

Answer 8

Thank You! :)

Answer 9

But there are some exceptions like 0.123123123123 which is a rational number, but not to think too hard about this one.

Answer 10

alright.. can you help me with some other problems please :)