Parts of an Expression

Front

A number on its own that has a fixed value.

Back

constant

Front

What do you call each part of an expression that is separated by a + or a -?

Back

term

Front

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

Back

term

Front

The number before a variable is the _____

Back

coefficient

Front

What are the variables in the following expression: 3z + 4x - 1 + 7y?

Back

z, x and y

Front

What is a variable in an expression?

Back

A symbol that represents an unknown value.

Front

What is a coefficient?

Back

A number that multiplies a variable.

Front

What is the difference between a term and a factor?

Back

A term is a single part of an expression, while a factor is a number or variable that is multiplied.

Front

What is the expression for the sum of a constant and a variable?

Back

c + x, where c is a constant and x is a variable.

Front

What does it mean to simplify an expression?

Back

To combine like terms and reduce the expression to its simplest form.