What is the constant of proportionality?
Proportional Tables

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Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The constant of proportionality is the ratio between two proportional quantities, often represented as 'k' in the equation y = kx.
2.
FLASHCARD QUESTION
Front
How do you find the constant of proportionality in a table?
Back
To find the constant of proportionality in a table, divide the value of one quantity by the corresponding value of the other quantity.
3.
FLASHCARD QUESTION
Front
If the constant of proportionality is 7, what does this mean?
Back
It means that for every unit increase in the independent variable, the dependent variable increases by 7 units.
4.
FLASHCARD QUESTION
Front
What is a proportional relationship?
Back
A proportional relationship is a relationship between two quantities where their ratio is constant.
5.
FLASHCARD QUESTION
Front
How can you tell if two quantities are proportional?
Back
Two quantities are proportional if they can be expressed as a constant ratio or if a graph of the two quantities forms a straight line through the origin.
6.
FLASHCARD QUESTION
Front
What is the formula for a proportional relationship?
Back
The formula for a proportional relationship is y = kx, where k is the constant of proportionality.
7.
FLASHCARD QUESTION
Front
If it takes 20 hours to read 8 books, what is the time to read 1 book?
Back
2.5 hours (20 hours ÷ 8 books = 2.5 hours per book).
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