Unit 4 Review: Numeric and Algebraic Expressionss

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

Completely factor the expression 28 + 36 using the distributive property.

Back

4(7 + 9)

Front

Back

Front

What is the associative property of multiplication?

Back

The associative property states that (a x b) x c = a x (b x c). It shows that the way in which numbers are grouped does not change their product.

Front

If Amy drives at a rate of x miles per hour, what expression represents Uma's speed if she drives half of Amy's speed?

Back

Front

Select the expression that is equivalent to 6(3m + 9).

Back

18m + 54

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 evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting numbers for the variables and performing the operations.

Front

What is a numeric expression?

Back

A numeric expression is a mathematical phrase that includes numbers and operation symbols but no variables. For example, 4 + 5 is a numeric expression.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression is a combination of numbers, variables, and operations without an equality sign.