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A relationship is proportional if the graph is a straight line that passes through the origin (0,0). This indicates that as one variable increases, the other variable increases at a constant rate. Additionally, the slope of the line should remain consistent, reflecting a constant ratio between the two variables. If the graph deviates from this pattern, the relationship is not proportional.

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How do you tell if a graph is not proportional?

A graph is not proportional if the relationship between the two variables does not pass through the origin (0,0) or if it does not maintain a constant ratio between the two variables. In a proportional relationship, the line graphed will be straight and through the origin, indicating that as one variable increases, the other increases at a consistent rate. If the graph shows curvature or if the line is not straight, it indicates a non-proportional relationship.


How do you tell if an answer is not a proportional relationship?

To determine if an answer represents a non-proportional relationship, check if the ratio between the two quantities remains constant. If the ratio changes as one quantity increases or decreases, or if the graph of the relationship does not pass through the origin, it indicates a non-proportional relationship. Additionally, if there is a fixed amount added or subtracted rather than multiplied or divided, the relationship is also non-proportional.


How do you know a graph shows a proportional relationship?

A graph shows a proportional relationship if it is a straight line that passes through the origin (0,0). This indicates that as one variable increases, the other variable increases at a constant rate. Additionally, the ratio of the two variables remains constant throughout the graph. If the line is not straight or does not pass through the origin, the relationship is not proportional.


How does a graph show a proportional relationship?

A graph shows a proportional relationship when it displays a straight line that passes through the origin (0,0). This indicates that as one variable increases or decreases, the other variable does so at a constant rate. The slope of the line represents the constant ratio between the two variables, confirming their proportionality. If the line is not straight or does not pass through the origin, the relationship is not proportional.


How can you tell the difference between a graph in which one variable is directly proportional to another and a graph in which two variables vary inversely?

1. You can tell the difference because the proportional one has the same slope while the inversely one has opposite reciprocal slope.

Related Questions

How can you tell from the graph of Molly's garden on the previous slide that it represents a proportional relationship?

The graph of a proportional relationship has the same unit rate, is a straight line, and starts at the origin.


Does the graph represent a proportional or non-proportional liner relationship How do you know?

If the graph is a straight line through the origin, sloping upwards to the right, then it is a proportional linear relationship.


Is it true that the graph of a proportional relationship does not include the origin?

It is true in the case of inversely proportional relationship.


How do you know if a graph is proportional?

It is a graph of a proportional relationship if it is either: a straight lie through the origin, ora rectangular hyperbola.


Does a graph with a proportional relationship always intersect at the origin?

Yes.


How can you know if a graph represents a proportional relationship?

It is a relationship of direct proportion if and only if the graph is a straight line which passes through the origin. It is an inverse proportional relationship if the graph is a rectangular hyperbola. A typical example of an inverse proportions is the relationship between speed and the time taken for a journey.


How do you tell if an answer is not a proportional relationship?

To determine if an answer represents a non-proportional relationship, check if the ratio between the two quantities remains constant. If the ratio changes as one quantity increases or decreases, or if the graph of the relationship does not pass through the origin, it indicates a non-proportional relationship. Additionally, if there is a fixed amount added or subtracted rather than multiplied or divided, the relationship is also non-proportional.


What is the relationship among proportional relationships lines rates of change and slope?

For each of the following relationships, graph the proportional relationship between the two quantities, write the equation representing the relationship, and describe how the unit rate, or slope is represented on the graph.


How do you know a graph shows a proportional relationship?

A graph shows a proportional relationship if it is a straight line that passes through the origin (0,0). This indicates that as one variable increases, the other variable increases at a constant rate. Additionally, the ratio of the two variables remains constant throughout the graph. If the line is not straight or does not pass through the origin, the relationship is not proportional.


How do you graph a proportional relationship?

It can be either a straight line through the origin or a hyperbola.


What is an inversely proportional graph?

An inversely proportional graph is one where the relationship between two variables is such that as one variable increases, the other variable decreases at a constant rate. This relationship is usually represented by a curve that slopes downwards from left to right.


What does the line graph tell you about the relationship between the variables in an experiment?

What dose a line graph tell you about the relationship between the variables in an experiment