Answer:
Option 1 - Coefficient
Explanation:
Given : Algebraic expression

To find : What are the values 5, 8, and –12 are ?
Solution :
Algebraic expression

In the expression,
The terms are 5x, 8y and 12z.
A term is made up of a constant multiplied by a variable.
So, Variables are x, y and z.
So, Constant are 5,8 and 12.
That constant is called the coefficient.
Therefore, Option 1 is correct.
The values 5, 8, and –12 are coefficient.