M7HN/Prealgebra- Independent and Dependent Variables

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 is measured and affected in an experiment. It depends on the independent variable.

Front

In the experiment of dropping a ball, what is the independent variable?

Back

The height from which the ball is dropped.

Front

In the experiment of dropping a ball, what is the dependent variable?

Back

The height that the ball bounces.

Front

What does the equation t=3s+5 represent?

Back

It represents the relationship between the number of treats (t) and the number of students (s) in a class.

Front

In the equation t=3s+5, which variable is independent?

Back

s (the number of students).

Front

In the equation t=3s+5, which variable is dependent?

Back

t (the number of treats).

Front

What is the formula for the volume of a sphere?

Back

V = 4πr³, where V is the volume and r is the radius.

Front

In the formula V=4πr³, what is the dependent variable?

Back

V (the volume of the sphere).

Front

If Dalton babysits for more hours, what happens to his earnings?

Back

His earnings increase; the amount of money he earns (m) is dependent on the number of hours he babysits (h).