EE.2.b Introduction to Algebra Vocabulary

Front

What is a variable in algebra?

Back

A variable is a letter that represents a number in mathematical expressions.

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of variables, numbers, and operations (like addition and multiplication).

Front

What is the coefficient in the expression 5x + 3?

Back

The coefficient is 5, which is the number multiplied by the variable x.

Front

Identify the variables in the expression 3x + y.

Back

The variables are x and y.

Front

What does the term 'constant' mean in algebra?

Back

A constant is a fixed value that does not change, like the number 5 in the expression 5x + 3.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign, while an equation does.

Front

What is the purpose of using variables in algebra?

Back

Variables allow us to represent unknown values and solve problems.

Front

What is the expression for the sum of a number x and 7?

Back

The expression is x + 7.

Front

What is the term for the number in front of a variable?

Back

The term is called the coefficient.

Front

What is the value of the coefficient in the expression 8 + 5x - y?

Back

The coefficient of x is 5.