Simplifying Expressions & Combining Like Terms

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression. For example, in 3x, 3 is the coefficient.

Front

What is a constant in an expression?

Back

A constant is a fixed value that does not change. In the expression 8 - n + 5, the constants are 8 and 5.

Front

Simplify the expression: 3x + 2x

Back

5x

Front

What is the result of -4(-4d - 5)?

Back

16d + 20

Front

Simplify the expression: 5a + 2b - 3a + 4

Back

2a + 2b + 4

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.

Front

What is the first step in simplifying an expression?

Back

The first step is to identify and combine like terms.

Front

What does it mean to combine like terms?

Back

Combining like terms means adding or subtracting the coefficients of terms that have the same variable.

Front

Simplify the expression: 7y + 3y - 2y

Back

8y

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by each term inside a parenthesis.