Chapter 5 review

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 the term 4x, 4 is the coefficient.

Front

Simplify the expression: 15 + 7(x - 2)

Back

7x + 1

Front

Write the following phrase as an expression: The sum of 29 and a number h

Back

29 + h

Front

What is the Associative Property?

Back

The Associative Property states that the way in which numbers are grouped in addition or multiplication does not change their sum or product. For example, 6 + (4 + x) = (6 + 4) + x.

Front

Write the phrase as an expression: 7 multiplied by the number x

Back

7x

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform any operations to make the expression as simple as possible.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents one or more numbers. For example, in the expression 2x + 3, x is a variable.

Front

What is the Commutative Property?

Back

The Commutative Property states that the order in which two numbers are added or multiplied does not change their sum or product. 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 each term in a parenthesis.