Algebraic Expression:

• an expressions that may contain numbers, operations and symbols.

• A symbol, usually a letter that stands for an unknown number.

• Parts of an algebraic expression separated by addition and subtraction signs.

• The numerical factor of a term that contains a variable.

Variable:

• an expressions that may contain numbers, operations and symbols.

• A symbol, usually a letter that stands for an unknown number.

• Parts of an algebraic expression separated by addition and subtraction signs.

• The numerical factor of a term that contains a variable.

Terms:

• an expressions that may contain numbers, operations and symbols.

• A symbol, usually a letter that stands for an unknown number.

• Parts of an algebraic expression separated by addition and subtraction signs.

• The numerical factor of a term that contains a variable.

Coefficient:

• an expressions that may contain numbers, operations and symbols.

• A symbol, usually a letter that stands for an unknown number.

• Parts of an algebraic expression separated by addition and subtraction signs.

• The numerical factor of a term that contains a variable.

Constant:

• A term without a variable.

• Variables by themselves have a coefficient of one.

• A number right next to a variable means to multiply.

• A symbol, usually a letter that stands for an unknown number.