
Constant of Proportionality: Tables
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the ratio between two proportional quantities, often represented as k in the equation y = kx.
Tags
CCSS.7.RP.A.2B
2.
FLASHCARD QUESTION
Front
How do you find the constant of proportionality from a table?
Back
To find the constant of proportionality from a table, divide the value of y by the corresponding value of x for any pair of values.
Tags
CCSS.7.RP.A.2B
3.
FLASHCARD QUESTION
Front
What does a constant of proportionality of 0.2 mean?
Back
A constant of proportionality of 0.2 means that for every 1 unit of x, y increases by 0.2 units.
Tags
CCSS.7.RP.A.2B
4.
FLASHCARD QUESTION
Front
If the constant of proportionality is 4 swings per day, how many swings are there in 3 days?
Back
12 swings (4 swings/day * 3 days = 12 swings).
5.
FLASHCARD QUESTION
Front
What is the unit rate?
Back
The unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per 1 unit of another quantity.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
FLASHCARD QUESTION
Front
Write an equation for a proportional relationship with a constant of proportionality of 6.
Back
y = 6x.
Tags
CCSS.7.RP.A.2C
7.
FLASHCARD QUESTION
Front
If the constant of proportionality is 12 dollars per suit, how much would 5 suits cost?
Back
60 dollars (12 dollars/suit * 5 suits = 60 dollars).
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