Equivalent Expressions and Formulas

Front

How many terms are in the expression 5x + 9 - 4b?

Back

3

Front

An algebraic expression is an expression that _______________________.

Back

contains numbers, variables, and operations.

Front

Which expression represents twice the quantity of 11 less than k?

Back

2(k - 11)

Front

Choose the equivalent expression for the given expression: 2(r + y)

Back

2r + 2y

Front

In the expression 15v - 13r, what are v and r called?

Back

variables

Front

What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variables.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.