Algebra Vocabulary

Front

What is a constant in an algebraic expression?

Back

A constant is a term that does not change and is not multiplied by a variable. For example, in the expression 9 + 3w, 9 is the constant.

Front

What is a term in algebra?

Back

A term is each part of an algebraic expression that is separated by a plus, minus, or equal sign. For example, in the expression 5y - 3rx + 7, there are three terms: 5y, -3rx, and 7.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value. For example, in the expression 3w, 'w' is the variable.

Front

What is an expression in algebra?

Back

An expression is a combination of numbers, variables, and operations (like addition and subtraction) that represents a value. For example, 4x + 5 is an expression.

Front

What is a coefficient?

Back

A coefficient is a number that is multiplied by a variable in an algebraic expression. For example, in the term 3w, 3 is the coefficient.

Front

How many terms are in the expression 5y - 3rx + 7?

Back

There are 3 terms in the expression: 5y, -3rx, and 7.

Front

Which expression has 1 term?

Back

The expression 4rz has 1 term.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign and represents a value, while an equation has an equal sign and shows that two expressions are equal.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.