Concept explainers
To write: An equation for the given variation.
Answer to Problem 9OE
The given variation can be expressed as an equation as follows:
Explanation of Solution
Given information:
The following variation:
w varies jointly as x and y and inversely as z.
k is the constant of variation.
The given variation can be expressed as an equation as follows:
where k is a constant.
When a quantity varies directly as the product of two or more other quantities, the variation is called joint variation.
A function defined by an equation in the form
Chapter 8 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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