Variables & Expressions

Front

What is a variable?

Back

A symbol used to represent a number that can change or vary.

Front

What is an expression?

Back

A combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What is a coefficient?

Back

The number multiplied times a product of variables or powers of variables in a term.

Front

What is a term in an expression?

Back

A single mathematical expression that can be a number, a variable, or a combination of both, separated by + or - signs.

Front

How do you evaluate an expression?

Back

Substitute the values of the variables into the expression and perform the operations.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not have an equality sign.

Front

Back

Front

Back

4.

Front

Back

8.

Front

What is a constant in an expression?

Back

A fixed value that does not change.