# Direct variation and inverse variation ppt to pdf

Posted on Friday, April 2, 2021 9:59:34 AM Posted by Selene M. - 02.04.2021

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Example 4 — The number of minutes needed to solve an exercise set of variation problems varies directly as the number of problems and inversely as the number of people working on the solutions.

## Direct and Inverse Proportion PowerPoint

Direct Variation: y varies directly as x. As x increases, y also increases. As x decreases, y also decreases. Inverse Variation: y varies inversely as x. As x increases, y decreases. As x decreases, y increases. The product of x and y is always constant.

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## Handcrafted resources for maths teachers.

We will learn about what is variation, direct variation, indirect variation and joint variation. In Mathematics , we usually deal with two types of quantities-Variable quantities or variables and Constant quantities or constants. If the value of a quantity remains unaltered under different situations, it is called a constant. On the contrary, if the value of a quantity changes under different situations, it is called a variable. For example: 4, 2. In a mathematical equation where a relationship is established for some type of parameters normally two types quantities exist. The changing of variable parameters is called as variation.

There are many quantities whose value varies as per the circumstances. Some quantities have a relation with other quantities such that when one changes the other also changes. Such quantities are inter-related. This is called a variation. Variation is of two types: i Direct variation and ii Inverse variation.

## Direct and Inverse Proportions-NCERT Solutions

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Students completed a Frayer Model for Direct Variation the first day of this lesson. I begin working with students from slide eight of the Power Point through slide I taught from slides one through seven on the first day. The main skill that I want students to able to do after this lesson, is to understand the connection of the equation, graph, and table of inverse variation. After this lesson, students should be able to find the constant of variation k , and identify key features of Inverse variation from an equation, table, or graph.

Эй! - услышал он за спиной сердитый женский голос и чуть не подпрыгнул от неожиданности. - Я… я… прошу прощения, - заикаясь, сказал Беккер и застегнул молнию на брюках. Повернувшись, он увидел вошедшую в туалет девушку. Молоденькая, изысканной внешности, ну прямо сошла со страниц журнала Севентин.

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