AAC #4 Review

Front

What is an independent variable?

Back

The independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable. It is often represented as 'X'.

Front

What is the result of (3 + 4)² - 32?

Back

17

Front

What does a closed circle on a number line indicate?

Back

A closed circle means that the number is included in the solution set.

Front

What is a letter that represents a number in mathematics?

Back

Variable

Front

What is a number by itself with no variable attached called?

Back

Constant

Front

What is the dependent variable?

Back

The dependent variable is the variable that is tested and measured in an experiment, often represented as 'Y'.

Front

What is the purpose of using variables in algebra?

Back

Variables are used to represent unknown values and to create general formulas that can be applied to various situations.

Front

What is the difference between a coefficient and a constant?

Back

A coefficient is a number that multiplies a variable, while a constant is a fixed value that does not change.

Front

What does it mean if a circle is open on a number line?

Back

An open circle means that the number is not included in the solution set.

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.