Answer:
-21
Step-by-step explanation:
In the term -21xy, -21 is the coefficient. It comes before the variables that are x and y.
Answer:
Step-by-step explanation:
Definition of coefficient: The coefficient of a term is the number in the term.
To look for the coefficient in the term -21xy, simply eliminate the variables. We can clearly see that the coefficient of the term is -21.
Hence, the coefficient of the term -21xy is -21.