Front

What is an independent variable?

Back

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

Front

What is a dependent variable?

Back

A dependent variable is a variable that depends on other factors; it is what you measure in the experiment.

Front

In a table, which variable is usually placed in the first column?

Back

The independent variable is usually placed in the first column.

Front

What does the y-axis represent in a graph?

Back

The y-axis represents the vertical number line in the coordinate plane.

Front

What does the x-axis represent in a graph?

Back

The x-axis represents the horizontal number line in the coordinate plane.

Front

If y = 2x, what happens to y when x increases?

Back

When x increases, y also increases because y is directly proportional to x.

Front

What is the purpose of a graph?

Back

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

Front

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

Back

Look for the variable that is being manipulated or changed; it is usually the cause in a cause-and-effect relationship.

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to observe its effect on the dependent variable.

Front

In the equation y = x + 5, what is the dependent variable?

Back

The dependent variable is y, as its value depends on the value of x.