Algebraic expressions

A number with no variable attached is called a  _____.

• coefficient
• constant
• variable
• term

How many terms are in the expression
3x + 2y + z

• 5
• 2
• 4
• 3

Identify the variables in the expression
3x +  9

• x
• y
• 9
• 3x

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term

Identify the coefficient in the expression
4m + n + 2

• 2
• 4
• m
• n

Identify a constant in the expression
3x + 2y + 7

• 3
• 2y
• 7
• 2

The number before a variable is the _____.

• term
• constant
• coefficient
• variable

How many terms are in the expression
3a + 2b + c + 100

• 3
• 4
• 5
• 6

A term can be made up of which of the following?

• a number
• a variable
• a coefficient with a variable
• all of the above

How is the number 9 best described in the expression
9m + 3n + 4

• coefficient
• variable
• constant
• term