True or False: Are these numbers rational?(1 point)

The numbers are: 8, -9.345, square root 15, and square root 81.

5 answers

True
Which ones are true?
The numbers 8 and square root 81 are rational.
What about -9.345 and square root 15? Are those two rational as well?
No, -9.345 and square root 15 are not rational numbers.