Combining Like Terms

Front

What is a variable in an expression?

Back

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

Front

What does it mean to combine like terms?

Back

Combining like terms means to simplify an expression by adding or subtracting terms that have the same variable raised to the same power.

Front

Simplify the expression: 3x + 5x

Back

8x

Front

Simplify the expression: 4y - 2y + 3y

Back

5y

Front

Can you combine 5a and 3b?

Back

No, because they are not like terms.

Front

What is a constant in an expression?

Back

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

Front

Simplify the expression: 7m - 2m + 4

Back

5m + 4

Front

What are like terms?

Back

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

Front

Simplify the expression: 2x + 3 - 4x + 6

Back

-2x + 9

Front

Can you combine 2x^2 and 3x?

Back

No, because they are not like terms.