
Writing Equations for Proportional Relationships

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a proportional relationship?
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 is the constant of proportionality?
Back
The constant of proportionality is the constant value (k) that relates two proportional quantities, often represented as y = kx.
3.
FLASHCARD QUESTION
Front
How do you write an equation for a proportional relationship?
Back
An equation for a proportional relationship can be written in the form y = kx, where k is the constant of proportionality.
4.
FLASHCARD QUESTION
Front
If P = 8.9w, what does 8.9 represent?
Back
In the equation P = 8.9w, 8.9 represents the constant of proportionality, indicating that for every week (w), 8.9 pounds (P) of food is collected.
5.
FLASHCARD QUESTION
Front
What does the equation y = 75x represent?
Back
The equation y = 75x represents a proportional relationship where y is directly proportional to x with a constant of proportionality of 75.
6.
FLASHCARD QUESTION
Front
How can you find the price per gallon if you know the total cost and total gallons?
Back
To find the price per gallon, divide the total cost by the total gallons. For example, $15.00 for 6 gallons means $15.00 ÷ 6 = $2.50 per gallon.
7.
FLASHCARD QUESTION
Front
What is the equation that represents the relationship between good apples (s) and gathered apples (g) if 9 out of 10 apples are good?
Back
The equation is s = 0.9g, meaning for every 10 apples gathered, 9 are good to sell.
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