What is a proportional relationship?
ACA Fall Final Review

Flashcard
•
Mathematics
•
6th - 8th Grade
•
Hard
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15 questions
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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 do you find the constant of proportionality?
Back
To find the constant of proportionality, divide one quantity by the other in a proportional relationship.
3.
FLASHCARD QUESTION
Front
If a table shows values (3, 9), (4, 12), and (5, 15), is this a proportional relationship?
Back
Yes, because the ratio of y to x is constant (3:1).
4.
FLASHCARD QUESTION
Front
What is the formula to calculate speed?
Back
Speed = Distance / Time.
5.
FLASHCARD QUESTION
Front
If Travis rides 3 miles in 20 minutes, what is his speed in miles per hour?
Back
Speed = 3 miles / (20/60 hours) = 9 miles per hour.
6.
FLASHCARD QUESTION
Front
What does it mean if a graph is linear?
Back
A linear graph shows a constant rate of change, meaning the relationship between the variables is proportional.
7.
FLASHCARD QUESTION
Front
How do you determine if a table represents a linear function?
Back
If the differences between consecutive y-values divided by the differences between consecutive x-values are constant, it represents a linear function.
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