Respuesta :

the coefficient is the amount multiplied by the variable so in this case it would be -9

Answer:

The coefficient would be -9.

Step-by-step explanation:

In algebra, a numerical or constant quantity placed before and multiplying the variable in an algebraic expression is called coefficient of that variable.

Here, the given expression,

-9c,

Since, c is a variable ( unknown value ),

While, -9 is a numerical value placed before c,

Hence, -9 is the variable in the given expression.

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