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which of the following is true about -9?

it is both an integer and a whole number
it is a whole number but not an integer
it is an integer but not a whole number
it is an integer but not a rational number

5 answers

The statement that is true about -9 is: it is an integer but not a whole number.

Here's a quick breakdown:

  • Integer: The set of integers includes all whole numbers and their negative counterparts, so -9 is an integer.
  • Whole number: Whole numbers are non-negative integers (0, 1, 2, 3, ...), so -9 is not a whole number.

The other options are false:

  • -9 is not a whole number, so it cannot be both an integer and a whole number.
  • -9 is rational because it can be expressed as a fraction (-9/1).
only one answer.

The correct answer is: it is an integer but not a whole number.

thank you!

You're welcome! If you have any more questions, feel free to ask. Happy to help!