A characteristic, number, or quantity that increases or decreases over time, or takes different values in different situations.

Two basic types are (1) Independent variable: that can take different values and can cause corresponding changes in other variables, and (2) Dependent variable: that can take different values only in response to an independent variable.

Use variable in a sentence

  • When determining which employees deserve the biggest bonuses, managers must take into account many variables, including employee performance and seniority.

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  • The main variable that needed to taken into account during the emergency planning portion of planned space launch was how much the astronaut could hold his breathe before the emergency oxygen turned on.

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  • There were so many variables in the equation that even practiced mathematicians confessed that they were totally unable to solve it.

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