Unit 2 Flashcard 7.PAR.2.1

Front

If I buy 3 of combo meal #2 what will the expression look like?

Back

3(n+2c+f)

Front

How many terms are in the expression 3x + 2y + z?

Back

3

Front

A number with no variable attached is called a _____

Back

constant

Front

The number before a variable is the _____

Back

coefficient

Front

Identify the variables in the expression 3x + 9

Back

x

Front

What is a variable in mathematics?

Back

A symbol that represents an unknown value.

Front

What is a constant in an expression?

Back

A fixed value that does not change.

Front

What is a coefficient?

Back

A numerical factor in a term.

Front

How do you combine like terms?

Back

Add or subtract the coefficients of the same variable.

Front

What is the expression for buying 4 of combo meal #2?

Back

4(n+2c+f)