What is a proportional relationship?
Proportional Relationships

Flashcard
•
Mathematics
•
8th 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
If y is proportional to x, what is the general form of the equation?
Back
y = kx, where k is the constant of proportionality.
3.
FLASHCARD QUESTION
Front
What does the constant of proportionality represent in a proportional relationship?
Back
It represents the ratio between the two quantities.
4.
FLASHCARD QUESTION
Front
How do you determine if two quantities are in a proportional relationship?
Back
Two quantities are in a proportional relationship if their ratios are equivalent.
5.
FLASHCARD QUESTION
Front
What is the slope in a proportional relationship?
Back
The slope is the constant of proportionality, representing how much y changes for a unit change in x.
6.
FLASHCARD QUESTION
Front
What does a slope of 5 mean in a proportional relationship?
Back
It means that for every 1 unit increase in x, y increases by 5 units.
7.
FLASHCARD QUESTION
Front
What is the significance of the origin in the graph of a proportional relationship?
Back
The graph of a proportional relationship passes through the origin (0,0), indicating that when x is 0, y is also 0.
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