# What Is a Direct Variation?

According to mathematical terms, direct variation can be described as a relationship between two variables wherein their ratio remains constant. An equation or function expressing such a relationship.
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What Is a Direct Variation?
In mathematics, if two variables are related in such a way that the ratio of their values remains the same, the two variables are in direct variation. For example: x = 2y. This equation states that x will always be twice as much as y; thus x and y, in... More »
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In the study of mathematics, the direct variation refers to two quantities that are proportional, meaning that when one multiplies, the other multiplies by a set integer. You can find more information here: en.wikipedia.org/wiki/Direct_variation
Q&A Related to "What Is a Direct Variation"
 In mathematics, we can say two variables which are directly propertional, then they are said to be in direct variation. For example, x and y are two variables, y is directly proportional http://answers.ask.com/Science/Mathematics/what_is...
 Direct variation is when two changing quantities, X and Y, have a constant ratio. X and Y increase or decrease at the same rate. When X is doubled, Y is doubled, and when X is halved http://www.ehow.com/info_8586060_direct-variation-...
 a is directly proportinal or inversely proportional to b. http://wiki.answers.com/Q/What_is_the_direct_varia...
 ( də′rekt ′ver·ē′ā·shən ) (mathematics) A relationship between two variables wherein their ratio remains constant. An equation http://www.answers.com/topic/direct-variation-math...
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In mathematics, we can say two variables which are directly propertional, then they are said to be in direct variation. For example, x and y are two variables, ...
In mathematics, we can say two variables which are directly propertional, then they are said to be in direct variation. For example, x and y are two variables, ...
In mathematics, we can say two variables which are directly propertional, then they are said to be in direct variation. For example, x and y are two variables, ...
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