2(-12) isn't 24.
It is -24.
So the answer would be 6.
The answer for your problem is shown on the picture.
Maybe Option 2? Not really sure just trying to help
For a number to be rational by definition, a fractional representation of the number must exist.
So N = n/m is rational if n and m are integers.
Since it's given in fractional form it's rational by definition.
Hence false.
