What is the equation form of a proportional relationship?
k-constant of proportionality

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
y = kx
2.
FLASHCARD QUESTION
Front
What does the constant of proportionality represent?
Back
k
3.
FLASHCARD QUESTION
Front
If k = 2, what does this indicate about the relationship?
Back
The relationship is proportional with a constant ratio of 2.
4.
FLASHCARD QUESTION
Front
If k = 4, what does this indicate about the relationship?
Back
The relationship is proportional with a constant ratio of 4.
5.
FLASHCARD QUESTION
Front
What is the value of k if the relationship is not proportional?
Back
none (not proportional)
6.
FLASHCARD QUESTION
Front
How do you calculate the constant of proportionality?
Back
k = y/x
7.
FLASHCARD QUESTION
Front
What does a proportional relationship look like on a graph?
Back
A straight line that passes through the origin.
8.
FLASHCARD QUESTION
Front
If y = 10 when x = 2, what is k?
Back
k = 5 (since k = y/x = 10/2)
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