Difference between independent variable and dependent variable

independent variable is the variable that is changed, controlled in a scientific experiment to test the effects on the dependent variable. So a independent variable doesn’t depend on anything, but a dependent depends on the independent variable to function.

An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment. ... Remember, the values of both variables may change in an experiment and are recorded

this would be a math