Parts of an Expression

Front

A letter that represents a number is called a _____

Back

variable

Front

In the expression 4x - 12, what is 4x?

Back

term

Front

The number before a variable is the _____

Back

coefficient

Front

What is the coefficient in this expression: 3x + 4 - 2?

Back

3

Front

How many terms are in the following expression: 7y + 3 - 7k - 2?

Back

4

Front

What is a constant in an expression?

Back

A constant is a fixed value that does not change.

Front

What is a term in an expression?

Back

A term is a single mathematical expression that can be a number, variable, or the product of both.

Front

What does the term 'coefficient' refer to?

Back

A coefficient is a numerical factor in a term that multiplies a variable.

Front

How do you identify the number of terms in an expression?

Back

Count the number of separate parts in the expression, separated by + or - signs.

Front

What is the difference between a variable and a constant?

Back

A variable can change and represent different values, while a constant remains the same.