Variables and Patterns

Front

What is a variable?

Back

A variable is a symbol or letter that represents a number in mathematical expressions or equations.

Front

What is a coefficient in an equation?

Back

A coefficient is a numerical factor that multiplies a variable in an equation.

Front

What is an independent variable?

Back

An independent variable is the variable that is changed or controlled in an experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured or tested in an experiment, which depends on the independent variable.

Front

Write the equation for the cost of buying n video games from Maywood Video, where each game costs $60.

Back

C = 60n

Front

Write the equation for the cost of buying n video games from Discount Super Store, which has a membership fee of $30 and each game costs $40.

Back

C = 30 + 40n

Front

What does the term 'pattern' mean in mathematics?

Back

A pattern is a repeated or predictable sequence of numbers, shapes, or other elements.

Front

How do you identify the independent variable in a word problem?

Back

The independent variable is usually the quantity that you can control or change, often related to the input of a function.

Front

What is the purpose of a graph in representing data?

Back

A graph visually represents data, making it easier to identify trends, patterns, and relationships between variables.

Front

In the equation C = 30 + 40n, what does the number 30 represent?

Back

The number 30 represents the one-time membership fee at Discount Super Store.