Question

What are the coefficients, constants, factors/terms, and variables terms in the expression 9+8nm-2m-7n? Explain how you know which parts are which.

Answer 1

In the expression:

`9+8nm-2m-7n`

The coefficients are the numbers beside the letters.

• The coefficients are: 8, -2 and -7.

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The constant is the number that has no letter attached to it.

• The constant is 9.

The terms in the expression are the expression added or subtracted to form the given expression.

The terms are:

• 9

,

• 8nm

,

• -2m

,

• -7n

The variable is the letter that represents the unknown variables.

• The variables are m and n.

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