Combining like terms

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms, while 3x and 4y are not.

Tags

CCSS.6.EE.A.2B

Front

How do you combine like terms?

Back

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

Tags

CCSS.7.EE.A.1

Front

Simplify: 8x² + 5x + 2y + x

Back

8x² + 6x + 2y

Tags

CCSS.7.EE.A.1

Front

Simplify: x + 3x + 6x + x

Back

11x

Tags

CCSS.7.EE.A.1

Front

What is the exponent in the expression 2³?

Back

3

Tags

CCSS.6.EE.A.1

Front

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

Back

7q + 5t

Tags

CCSS.7.EE.A.1

Front

If p = 9, what is p²?

Back

81

Tags

CCSS.6.EE.A.2C

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor in a term of an algebraic expression. For example, in 5x, 5 is the coefficient.

Tags

CCSS.6.EE.A.2B

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.

Tags

CCSS.7.EE.A.1

Front

What is the difference between a variable and a constant?

Back

A variable is a symbol that represents an unknown value (e.g., x, y), while a constant is a fixed value (e.g., 5, -3).

Tags

CCSS.6.EE.A.2B