Independent-variable meaning

The definition of an independent variable is a factor that does not change in value based on other factors.

An example of an independent variable is a temperature that stays constant during a science experiment.

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(sciences) The variable that is changed or manipulated in a series of experiments.
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A variable whose value determines the value of other variables.
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A manipulated variable in an experiment or study whose presence or degree determines the change in the dependent variable.
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A variable whose value may be determined freely without reference to other variables.
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In mathematics, a variable whose value determines the value of other variables. For example, in the formula for the area of a circle, A = π r2 , r is the independent variable, as its value determines the value of the area ( A ).
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(algebra) In an equation, any variable whose value is not dependent on any other in the equation.

In the equation z = x2 + y, x and y are the independent variables.

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Independent-variable Sentence Examples

  • When Clerk Maxwell pointed out the way to the common origin of optical and electrical phenomena, these equations naturally came to repose on an electric basis, the connexion having been first definitely exhibited by FitzGerald in 1878; and according as the independent variable was one or other of the vectors which represent electric force, magnetic force or electric polarity, they took the form appropriate to one or other of the elastic theories above mentioned.

  • The independent variable is the part of the project that is tested or changed.

  • In this case, the independent variable would be adding or not adding the plant food.

  • The motion communicated to rollers by the pencil serves to cut resistance in or out of the two line circuits which are connected to the rollers, and thus two independent variable line currents are obtained.

  • If the range of the independent variable or variables is unlimited, the value of in is at our disposal, and the solution gives us the laws of wave-propagation (see WAVE).

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