7s Identifying expressions

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term

The number before a variable is the _____.

• term
• constant
• coefficient
• variable

A number with no variable attached is called a  _____.

• coefficient
• constant
• variable
• term

Identify the variables in the expression
3x +  9

• x
• y
• 9
• 3x

Identify the constant in the expression
3x +  9

• x
• y
• 9
• 3x

Find the coefficient in the algebraic expression.

• x
• 4
• 5
• 9

True or Flase.
An algebraic expression does not have an equal sign. 

• True
• False

Identify the constant in the expression
4y + 2 + x

• x
• y
• 4y
• 2

In this expression what is the numerical coefficient? 
5 + y 

• 1

• +
• 5
• y

x,y,a,s,t...  These are called

• terms
• variables
• constants
• coefficients