Parts of an Expression

In the expression below, which is the constant?

$$10-y$$  

Identify the variable in the expression.

$$2b^2-4b+6$$  

A ___ is a value that does not change.

In the expression below 2 and 3 are the ___

$$2x+3y-4$$  

Identify the constant in the expression.

$$-3x+4y+7$$  

How many terms are in the expression below?

$$m^2-3n+5x-12$$  

Which algebraic expression has 3 terms?

What is the coefficient of y in the expression below?

$$3x+5y-9$$  

What are the variables in the following expression?

$$3z+4x-1+7y$$  

___ are the parts of an algebraic expression that are separated by operations.

A ___ is a symbol used to represent a quantity that can change.

A ___ is a number that is multiplied by the variable in an algebraic expression.