Parts of Expressions

Front

What is a symbol for a number we don't know yet, usually represented by a letter?

Back

Variable

Front

Identify the variable in the algebraic expression: 3x + 5

Back

x

Front

How many terms are in the expression: 3x + 7 + p - 12?

Back

4

Front

What is the '2' called in the term 2x?

Back

Coefficient

Front

Identify the coefficient of the second term in the expression: -9b + 4x - 9.

Back

4

Front

What is a term in an expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together.

Front

What is a constant in an expression?

Back

A constant is a fixed value that does not change, such as the number 5 in the expression 3x + 5.

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term, such as the '3' in the term 3x.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power, such as 2x and 3x.