What is a proportional relationship?
Proportional Relationships in Tables, Graphs, & Equations
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•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.
2.
FLASHCARD QUESTION
Front
How can you identify a proportional relationship in a table?
Back
A table represents a proportional relationship if the ratios of corresponding values are constant.
3.
FLASHCARD QUESTION
Front
What does it mean for a graph to show a proportional relationship?
Back
A graph shows a proportional relationship if it is a straight line that passes through the origin (0,0).
4.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the ratio of one quantity to another in a proportional relationship, often represented by 'k'.
5.
FLASHCARD QUESTION
Front
How do you calculate the constant of proportionality from a graph?
Back
To calculate the constant of proportionality from a graph, find the slope of the line, which represents the ratio of the change in the y-values to the change in the x-values.
6.
FLASHCARD QUESTION
Front
What is a unit rate?
Back
A unit rate is a ratio that compares a quantity to one unit of another quantity, often used to express the constant of proportionality.
7.
FLASHCARD QUESTION
Front
How can you determine if a graph does not represent a proportional relationship?
Back
A graph does not represent a proportional relationship if it does not pass through the origin or if it is not a straight line.
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