Front

Simplify this expression: -3 (2 + 4x)

Back

-6 - 12x

Front

Solve: -5 (4x –2) = -30

Back

x = -1

Front

What is the cost of a donut if a cup of coffee costs $3.25 and the total order for 3 friends was $21.75, with each ordering a cup of coffee and two donuts?

Back

$2.50

Front

Which of the following is an example of a set of like terms? 18, 21g, 24; -5x, -5y, -5xy; 15x, -x, 33x; 17y, y, 17

Back

15x, -x, 33x

Front

What is the definition of an expression?

Back

A mathematical phrase that can contain numbers, variables, and operators (like addition and subtraction)

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value, often denoted by letters like x or y.

Front

What is the distributive property?

Back

A property that states a(b + c) = ab + ac, allowing you to multiply a single term by two or more terms inside a set of parentheses.

Front

What are like terms?

Back

Terms that have the same variable raised to the same power, allowing them to be combined.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions, typically containing an equal sign.

Front

What does it mean to simplify an expression?

Back

To reduce an expression to its simplest form by combining like terms and performing operations.