CH. 5 Test review

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

Front

What property of addition states that changing the order of the addends does not change the sum?

Back

The Commutative Property of Addition.

Front

How do you write the expression 8x + 16 in factored form?

Back

8(x + 2) is the factored form of 8x + 16.

Front

What does it mean to combine like terms in an algebraic expression?

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 the simplified form of the expression 3x + 2x?

Back

The simplified form is 5x.

Front

What is the definition of an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

What is the difference between a term and a coefficient in an expression?

Back

A term is a single mathematical expression, while a coefficient is the numerical part of a term that contains a variable.

Front

What is the Associative Property of Addition?

Back

The Associative Property of Addition states that the way in which numbers are grouped in addition does not change the sum.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents one or more numbers.

Front

What does it mean to factor an expression?

Back

Factoring an expression means to break it down into simpler components that, when multiplied together, give the original expression.