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What is direct proportion?

By Garret Patton on the 11th of June, 2012

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    Two quantities y and x are said to be directly proportional, or "in direct proportion" if y is given by a constant multiple of x i.e., y = cx for c a constant. This relationship is commonly written as y x.

    Refine By vicky on the 18th of January, 2013

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    A is directly proportional to B means that there is some number k such that A=kB.
    When A is directly proportional to B we write AB. We then say that A and B are in direct proportion

    Refine By Lee Mansfield on the 14th of June, 2012

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