Equivalent Expressions STAAR

Front

What is an equivalent expression?

Back

An equivalent expression is an expression that has the same value as another expression for all values of the variable(s) involved.

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

Use the distributive property to find an equivalent expression: 5(2f + 4)

Back

10f + 20

Front

What does it mean to simplify an expression?

Back

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

Front

What is a variable in algebra?

Back

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

Front

What is a constant in algebra?

Back

A constant is a fixed value that does not change.

Front

How do you write the phrase 'the sum of 12 and t' as an algebraic expression?

Back

12 + t

Front

What is the difference between an expression and an equation?

Back

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

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they yield the same result when evaluated for the same values of their variables.

Front

How do you determine if two expressions are equivalent?

Back

You can determine if two expressions are equivalent by simplifying both expressions and checking if they result in the same value.