Combining Like Terms

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

What is a variable in an expression?

Back

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

Front

Simplify: 2r + 2 + 5r + 2 + r

Back

8r + 4

Front

Simplify: 10w + 3d + 3w + d

Back

13w + 4d

Front

Simplify: 4q + 4t + 3q + t

Back

7q + 5t

Front

What is the coefficient in the expression 3x + 9?

Back

The coefficient is 3, which is the number multiplying the variable x.

Front

What are like terms?

Back

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

Front

Simplify: m + m + m + m

Back

4m

Front

What is the constant in the expression 3x + 9?

Back

The constant is 9, which is a fixed value that does not change.

Front

If you have the expression 5a + 2b + 3a, what is the simplified form?

Back

8a + 2b