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direct variation

American  
[di-rekt vair-ee-ay-shuhn] / dɪˈrɛkt ˌvɛər iˈeɪ ʃən /

noun

  1. a proportional relationship in mathematics, wherein one variable equals another variable multiplied by a constant.

  2. an equation expressing this relationship.


Example Sentences

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In your own words, explain the difference between direct variation and inverse variation.

From Textbooks Apr. 22, 2020

When that happens, the equation of direct variation is y = k x2 .

From Textbooks Apr. 22, 2020

What is true of the appearance of graphs that reflect a direct variation between two variables?

From Textbooks Feb. 13, 2015

A relationship in which one quantity is a constant multiplied by another quantity is called direct variation.

From Textbooks Feb. 13, 2015

There is thus, according to Weismann, nothing to direct variation to certain organs, or to guide and combine the variations of these organs along certain lines, except natural selection.

From The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 by John Mason Tyler

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