y=kx Review
Flashcard
•
Mathematics
•
8th Grade
•
Hard
+6
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What does the equation y = kx represent?
Back
It represents a direct variation where y is directly proportional to x, with k being the constant of proportionality.
2.
FLASHCARD QUESTION
Front
What is the constant of proportionality in the equation y = 19.25x?
Back
The constant of proportionality is 19.25.
Tags
CCSS.7.RP.A.2B
3.
FLASHCARD QUESTION
Front
If y = 45x, what is the value of y when x = 2?
Back
y = 90.
Tags
CCSS.6.EE.C.9
4.
FLASHCARD QUESTION
Front
What is the formula to find the constant of proportionality (k)?
Back
k = y/x.
Tags
CCSS.7.RP.A.2B
5.
FLASHCARD QUESTION
Front
In the equation y = kx, if k = 0.20, what is the relationship between y and x?
Back
y is 20% of x.
Tags
CCSS.HSF-LE.A.1B
6.
FLASHCARD QUESTION
Front
What does k represent in the context of direct variation?
Back
k represents the constant of proportionality.
Tags
CCSS.HSF-LE.A.1B
7.
FLASHCARD QUESTION
Front
If the constant of proportionality is 40, what is the equation for y when x = 5?
Back
y = 200.
Tags
CCSS.HSF-LE.A.1B
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