M7HN/Prealgebra- Independent and Dependent Variables

Front

What is an independent variable?

Back

An independent variable is the 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 the variable that is tested and measured in a scientific experiment. It is dependent on the independent variable.

Front

In the equation m = 75d, which variable is dependent?

Back

m (the amount of money raised) is the dependent variable.

Front

In the equation m = 75d, which variable is independent?

Back

d (the distance walked) is the independent variable.

Front

On a graph, which axis represents the independent variable?

Back

The x-axis represents the independent variable.

Front

On a graph, which axis represents the dependent variable?

Back

The y-axis represents the dependent variable.

Front

If the number of hours studied increases, what happens to the test score? Identify the independent and dependent variables.

Back

Independent variable: number of hours studied; Dependent variable: test score.

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 a study about plant growth, if the amount of sunlight is changed, which variable is independent?

Back

The amount of sunlight is the independent variable.

Front

In a study about plant growth, if the height of the plant is measured, which variable is dependent?

Back

The height of the plant is the dependent variable.