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MIDDLE SCHOOL

Mathematics (Grade 7)

Ratio and Proportional Relationships

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Ratio and Proportional Relationships: Representing and Interpreting Proportional Relationships

Meaning of a Point (x, y)

Description

Meaning of a Point (x, y)

Introduction

Points on a graph represent relationships between two quantities. Understanding what a point (x, y) represents helps interpret real-world situations and analyze proportional relationships.

Transcript

Your mother asks you to fill a large container of fruit drink with bottles of carbonated water, each costing $2.

As you add more bottles, the total cost increases by $2 per bottle, making this a proportional relationship.

The number of bottles you add is the input, and the total cost depends on that amount.

Let x represent the ...