Combining Like Terms

Front

What is a constant in an algebraic expression?

Back

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

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol, often a letter, that represents an unknown value. For example, in the expression 3x + 5, 'x' is a variable.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a number that is multiplied by a variable. For example, in the term 4x, 4 is the coefficient.

Front

How do you combine like terms?

Back

To combine like terms, add or subtract the coefficients of terms that have the same variable raised to the same power. For example, 3x + 5x = 8x.

Front

What does it mean for terms to be 'like terms'?

Back

Like terms are terms that have the same variable raised to the same power. For example, 2x and 5x are like terms, but 2x and 3y are not.

Front

What is the result of combining 2x + 3x?

Back

The result is 5x.

Front

What is the result of combining 4y - 2y?

Back

The result is 2y.

Front

What is the result of combining 7 - 5?

Back

The result is 2.

Front

What is the result of combining 3x + 4 - 2x + 5?

Back

The result is x + 9.

Front

What is the first step in combining like terms?

Back

Identify the like terms in the expression.