Parts of Expressions & Combining Like Terms

Front

What is a term in an expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by addition or subtraction.

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. They can be combined by adding or subtracting their coefficients.

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term. For example, in 5x, 5 is the coefficient.

Front

What is a variable?

Back

A variable is a letter that represents a number in an expression or equation.

Front

What is a constant?

Back

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

Front

How do you combine like terms?

Back

To combine like terms, add or subtract their coefficients while keeping the variable part the same.

Front

What is the expression for combining 2x and 3x?

Back

The expression is 5x.

Front

What is the expression for combining 4y and -2y?

Back

The expression is 2y.

Front

What does the expression 3a + 4a + 2 mean?

Back

It simplifies to 7a + 2.

Front

What is the result of the expression y + y + y + 2?

Back

The result is 3y + 2.