Unit 4 Review

Front

Back

9

Front

Simplify: 4b - 3b + 6b - 2b

Back

5b

Front

Identify the property demonstrated: (a + 3) + b = a + (3 + b)

Back

Associative Property of Addition

Front

Factor 18a + 24b

Back

6(3a + 4b)

Front

CJ earns x dollars per hour. Next year he will receive a 4% raise per hour. What is an equivalent simplified expression for his pay per hour after the raise?

Back

1.04x

Front

What is the Commutative Property of Addition?

Back

The Commutative Property of Addition states that changing the order of the addends does not change the sum. For example, a + b = b + a.

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 two or more terms inside a set of parentheses.

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.

Front

What is the Associative Property of Multiplication?

Back

The Associative Property of Multiplication states that the way in which factors are grouped does not change the product. For example, (a * b) * c = a * (b * c).

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.