
Direct and Inverse Variation
Flashcard
•
Mathematics
•
KG - University
•
Practice Problem
•
Hard
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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. If y varies directly with x, then y = kx, where k is the constant of variation.
2.
FLASHCARD QUESTION
Front
What is Inverse Variation?
Back
Inverse Variation is a relationship between two variables where the product of the two variables is a constant. If y varies inversely with x, then y = k/x, where k is the constant of variation.
3.
FLASHCARD QUESTION
Front
What is the constant of variation in Direct Variation?
Back
In Direct Variation, the constant of variation (k) is the ratio of y to x (k = y/x).
4.
FLASHCARD QUESTION
Front
What is the constant of variation in Inverse Variation?
Back
In Inverse Variation, the constant of variation (k) is the product of x and y (k = xy).
5.
FLASHCARD QUESTION
Front
If y = 3x, what type of variation is this?
Back
This is a Direct Variation.
6.
FLASHCARD QUESTION
Front
If xy = 15, what type of variation is this?
Back
This is an Inverse Variation.
7.
FLASHCARD QUESTION
Front
True or False: In Direct Variation, if x increases, y also increases.
Back
True.
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