Parts of an Expression or Equation

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value but does not have an equality sign.

Front

Identify the number of terms in the expression: 5x + 3y - 4.

Back

There are 3 terms: 5x, 3y, and -4.

Front

What is a variable in an expression?

Back

A variable is a symbol (usually a letter) that represents an unknown value.

Front

What is a coefficient in an expression?

Back

A coefficient is a number that is multiplied by a variable in an expression.

Front

How many coefficients are in the expression: 3a + 4b - 5c + 2?

Back

There are 3 coefficients: 3, 4, and -5.

Front

What is the difference between an expression and an equation?

Back

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

Front

Identify the constant in the expression: 7x + 2.

Back

The constant is 2.

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 in an expression?

Back

Like terms are terms that have the same variable raised to the same power.

Front

How do you identify the degree of a polynomial expression?

Back

The degree of a polynomial is the highest power of the variable in the expression.