What is a proportional relationship?
Proportional Relationships

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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 is constant.
2.
FLASHCARD QUESTION
Front
How can you identify a proportional relationship from a table?
Back
A table represents a proportional relationship if the ratios of corresponding values are equal.
3.
FLASHCARD QUESTION
Front
What does the constant of proportionality represent?
Back
The constant of proportionality is the constant ratio between two proportional quantities.
4.
FLASHCARD QUESTION
Front
If a table shows values (2, 4), (3, 6), (4, 8), does it represent a proportional relationship?
Back
Yes, because the ratio of y to x is constant (2:1).
5.
FLASHCARD QUESTION
Front
If a table shows values (1, 2), (2, 5), (3, 6), does it represent a proportional relationship?
Back
No, because the ratios are not constant.
6.
FLASHCARD QUESTION
Front
What is the constant of proportionality for the table: (1, 45), (2, 90), (3, 135)?
Back
The constant of proportionality is 45.
7.
FLASHCARD QUESTION
Front
How can you tell if a graph represents a proportional relationship?
Back
A graph represents a proportional relationship if it is a straight line that passes through the origin.
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