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 quantity is constant.
2.
FLASHCARD QUESTION
Front
How do you determine the constant of proportionality from a graph?
Back
The constant of proportionality can be determined by finding the slope of the line on the graph, which represents the ratio of the change in the dependent variable to the change in the independent variable.
3.
FLASHCARD QUESTION
Front
What does it mean if a table of values is proportional?
Back
A table of values is proportional if the ratios of the corresponding values are constant, meaning that the unit rate is the same for all pairs of values.
4.
FLASHCARD QUESTION
Front
How can you tell if a graph is proportional?
Back
A graph is proportional if it is a straight line that passes through the origin (0,0).
5.
FLASHCARD QUESTION
Front
What is the unit rate?
Back
The unit rate is the ratio of two measurements in which the second measurement is 1. It represents the amount of one quantity per one unit of another quantity.
6.
FLASHCARD QUESTION
Front
What is the equation of a proportional relationship?
Back
The equation of a proportional relationship can be expressed in the form y = kx, where k is the constant of proportionality.
7.
FLASHCARD QUESTION
Front
If Sherry can buy 4 pounds of oranges for $18, how do you find the cost per pound?
Back
To find the cost per pound, divide the total cost by the number of pounds: $18 / 4 pounds = $4.50 per pound.
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