Direct Variation
Flashcard
•
Mathematics
•
6th - 7th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is direct variation?
Back
Direct variation is a relationship between two variables where one variable is a constant multiple of the other. It can be expressed as y = kx, where k is a non-zero constant.
2.
FLASHCARD QUESTION
Front
What does the letter k represent in the equation y = kx?
Back
The letter k represents the constant of proportionality in the equation y = kx.
Tags
CCSS.HSF-LE.A.1B
3.
FLASHCARD QUESTION
Front
True or False: An equation of direct variation can be written in the form y = kx.
Back
True
4.
FLASHCARD QUESTION
Front
What is the graph of a direct variation?
Back
The graph of a direct variation is a straight line that passes through the origin (0,0).
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
If y = 3x, is this a direct variation?
Back
Yes, this is a direct variation because it can be expressed in the form y = kx, where k = 3.
6.
FLASHCARD QUESTION
Front
If y = 2x + 1, is this a direct variation?
Back
No, this is not a direct variation because it does not pass through the origin.
7.
FLASHCARD QUESTION
Front
What is the constant of proportionality in the equation y = 5x?
Back
The constant of proportionality is 5.
Tags
CCSS.7.RP.A.2B
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