Which of the following is true about −9 ?(1 point) Responses: A. It is both an integer and a whole number. B. It is an integer but not a whole number. C. It is a whole number but not an integer. D. It is an integer but not a rational number.

Answer 1

The correct answer is B. It is an integer but not a whole number.

Explanation:

• An integer is any positive or negative whole number, including zero. Since -9 is a negative whole number, it is an integer.
• Whole numbers are non-negative integers (0, 1, 2, 3, ...), so -9 is not considered a whole number.