Viewing topic: Independent Variable

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Video id: #2515 (enlarge)
Post date: 8/8/2012
Posted by: rachel
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Independent Variable

  • Definition: In mathematics, a variable whose value determines the value of other variables. For example, in the formula for the area of a circle, A = (pi)r2, r is the independent variable, as its value determines the value of the area (A).

    Source: The American Heritage Science Dictionary. Boston: Houghton Mifflin, 2005. Credo Reference. Web. 07 August 2012.

  • 5:31pm 9/10/2013

    User: Bighandz

    Post count: 2

    That sign could be confusing. It suggests that the I.V. could be a "variety" of numbers. It is really a representation of a specific number. The word "variable" suggests "variety" English, but it has a different meaning in math. I think a better sign for "variable" would be "show" or "represent" with the word "variable" fingerspelled first so the student understands the vocabulary used along with a conceptually correct sign.