Independent vs Dependent Variables

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 a dependent variable?

Back

The dependent variable is the variable that is measured and affected in an experiment. It is often represented as 'y'.

Front

What is an ordered pair?

Back

An ordered pair is a pair of numbers used to locate a point on a coordinate plane, written in the form (x, y).

Front

What does the origin represent in a coordinate plane?

Back

The origin is the point where the x-axis and y-axis intersect, represented by the ordered pair (0, 0).

Front

In the context of a restaurant, what is the independent variable in the statement: 'The amount of food I eat at a restaurant vs the cost of the check'?

Back

The independent variable is 'the amount of food I eat at a restaurant'.

Front

In the context of a restaurant, what is the dependent variable in the statement: 'The amount of food I eat at a restaurant vs the cost of the check'?

Back

The dependent variable is 'the cost of the check'.

Front

In the ordered pair (7, 8), which number is the x-coordinate?

Back

The x-coordinate is 7.

Front

In the ordered pair (3, 5), which number is the y-coordinate?

Back

The y-coordinate is 5.

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

How can you identify the independent variable in an experiment?

Back

The independent variable is usually the one that is changed or controlled by the experimenter.