Dependent and Independent 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 measured and affected in an experiment, responding to changes in the independent variable.

Front

When graphing inequalities, which symbols indicate a closed dot?

Back

The symbols ≤ (less than or equal to) and ≥ (greater than or equal to) indicate a closed dot on a graph.

Front

In a cost table, if the number of tokens purchased is the independent variable, what is the dependent variable?

Back

The dependent variable is the total cost, which depends on the number of tokens purchased.

Front

In the equation y = mx + b, what does y represent?

Back

In the equation, y represents the dependent variable.

Front

If Olivia earns $5 for every A she gets, what is the independent variable in this scenario?

Back

The independent variable is the number of A's on her report card.

Front

What does it mean to multiply the independent variable by a constant?

Back

It means that for every unit increase in the independent variable, the dependent variable increases by that constant amount.

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to observe how it affects the dependent variable.

Front

In a table showing the number of bubbles produced by a machine, what is the independent variable?

Back

The independent variable is the time (in minutes) the machine operates.

Front

What is the purpose of using a closed dot when graphing inequalities?

Back

A closed dot indicates that the value at that point is included in the solution set.