Equivalent Expressions

Front

What are equivalent expressions?

Back

Expressions that have the same value for all values of the variable.

Front

How do you simplify the expression 3 + 12c - 4c?

Back

Combine like terms to get 8c + 3.

Front

What is the distributive property?

Back

a(b + c) = ab + ac, meaning you multiply a term by each term inside the parentheses.

Front

What is the result of the expression 2(4 + 9w)?

Back

Use the distributive property to get 8 + 18w.

Front

What does it mean to combine like terms?

Back

To add or subtract terms that have the same variable raised to the same power.

Front

What is the value of the expression (-8) + 2?

Back

-6.

Front

What is the first step in simplifying the expression 5x + 3x?

Back

Combine like terms to get 8x.

Front

What is an expression?

Back

A combination of numbers, variables, and operations without an equality sign.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What does the term 'variable' mean in mathematics?

Back

A symbol, usually a letter, that represents an unknown number.