What type of number is -12.123 repeating?

choose all answers that apply:
(choice a) a whole number
(choice b) b integer
(choice c) c rational
(choice d) d irrational

me! : )

C

Step-by-step explanation:

A: a whole number is a positive number (not including 0) that does not have anything after the decimal.

B: an integer is 0, all the + and all the minus numbers that have nothing after the decimal.

D: an irrational number has an unending decimal like pi.

C: has a terminating decimal and is minus. It is C, rational.

C. Rational

Step-by-step explanation:

While this number technically has no end, it repeats. This puts it in a special case.

First, lets look at the decimal portion and ignore the integer with it.

When looking at ..., we can convert this into the fraction

Now, we can multiply -12 by the denominator and add them together to get

As this number can be written as a fraction, it is a rational number.