Identifying Parts of Expressions CFU

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

• 3
• 2y
• 7
• 2

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

• 3
• 2y
• 7
• 2

What is a constant?

• A term with no variables.

• A number.

• A term with numbers and variables.

• A letter.

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

• x
• y
• 4y
• 2

Which term contains a coefficient?
m + 3n + p + 3

• m
• 3n
• p
• 3

Which of the following is not true of an expression?

• It can be solved
• It can be evaluated
• It is a mathematical phrase
• It does not have an equal sign

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

• coefficient
• variable
• constant
• term

What is a variable.

• A number without a letter.

• A number multiplied by a letter.

• A symbol to represent the unknown.

• Parts of the expression separated by plus or minus signs.