What is a proportional relationship?
Proportional Relationships

Flashcard
•
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
What does it mean if a graph passes through the origin?
Back
If a graph passes through the origin (0,0), it indicates that there is a proportional relationship between the variables represented on the graph.
3.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the constant ratio between two proportional quantities, often represented as 'k' in the equation y = kx.
4.
FLASHCARD QUESTION
Front
How can you determine if a relationship is proportional from a graph?
Back
A relationship is proportional if the graph is a straight line that passes through the origin.
5.
FLASHCARD QUESTION
Front
What does the point (1, 49) represent in a proportional relationship?
Back
In a proportional relationship, the point (1, 49) represents that at 1 hour, the distance traveled is 49 miles.
6.
FLASHCARD QUESTION
Front
What is the equation of a proportional relationship?
Back
The equation of a proportional relationship can be expressed as y = kx, where k is the constant of proportionality.
7.
FLASHCARD QUESTION
Front
If a taxi ride costs $10 for 5 miles, what is the constant of proportionality?
Back
The constant of proportionality is $2 per mile.
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