Independent and Dependent Variables

Front

What is the definition of an independent variable?

Back

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

Front

What is the definition of a dependent variable?

Back

A dependent variable is a variable that is measured in an experiment and is affected by changes in the independent variable.

Front

In a graph, what does the x-axis represent?

Back

The x-axis represents the independent variable in a graph.

Front

In a graph, what does the y-axis represent?

Back

The y-axis represents the dependent variable in a graph.

Front

What is an example of an independent variable in a study measuring the effect of study time on test scores?

Back

The amount of study time is the independent variable.

Front

What is an example of a dependent variable in a study measuring the effect of study time on test scores?

Back

The test scores are the dependent variable.

Front

What does it mean for a relationship to be additive?

Back

An additive relationship means that the dependent variable changes in direct proportion to the independent variable.

Front

What is the formula for a linear relationship?

Back

The formula for a linear relationship is typically expressed as y = mx + b, where m is the slope and b is the y-intercept.

Front

In the context of a function, what does 'm' represent in the equation m = 12h?

Back

In this equation, 'm' represents the total money earned based on the number of hours worked, 'h'.

Front

What is the significance of the slope in a graph?

Back

The slope indicates the rate of change of the dependent variable with respect to the independent variable.