Multiples of 9 are numbers that can be expressed as \(9n\), where \(n\) is an integer. They are obtained by multiplying 9 by whole numbers, both positive and negative.
Here are some of the first few positive and negative multiples of 9:
Positive multiples of 9:
- 9 (9 x 1)
- 18 (9 x 2)
- 27 (9 x 3)
- 36 (9 x 4)
- 45 (9 x 5)
- 54 (9 x 6)
- 63 (9 x 7)
- 72 (9 x 8)
- 81 (9 x 9)
- 90 (9 x 10)
Negative multiples of 9:
- -9 (9 x -1)
- -18 (9 x -2)
- -27 (9 x -3)
- -36 (9 x -4)
- -45 (9 x -5)
And so on. You can generate more multiples by continuing to multiply 9 by other integers!