2.1 Expressions Vocabulary

What is a variable?

• A symbol used for addition

• A number that represents a known value

• A term that is just a number

• A letter that represents an unknown value/ number

What is an algebraic expression?

• An expression that consists of sums and/or products of numbers and variables

• A symbol used for multiplication

• A number that represents an unknown value/ number

• A letter that represents a known value

What is a monomial?

• A one-term expression

• A two-term expression

• A three-term expression

• A four-term expression

What is a coefficient?

• The constant in a term

• The number in front of a variable in a term

• The base of a variable

• The exponent of a variable

What is an exponent?

• The constant in a term

• The coefficient of a variable

• The base of a variable

• The number of times a base is multiplied by itself

What is a polynomial?

• An expression with one variable

• An expression with one term

• An expression with 4 or more terms

• An expression with one coefficient

What is a binomial?

• A two-term expression

• A one-term expression

• A three-term expression

• A four-term expression

What is a constant?

• A number that represents an unknown value/ number

• A term that is just a number

• A symbol used for addition

• The number in front of a variable in a term

What is a term?

• part of an expression that can be a number, variable, or product of numbers AND variables

• the number in front of a variable

• only a number

• only a variable

What is a variable?

• a number

• a letter

• a number multiplied by itself

• a two-term expression