Direct, Inverse, & Joint Variation
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
Used 1+ times
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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 is inverse variation?
Back
Inverse variation is a relationship between two variables where the product of the variables is a constant. It can be expressed as y = k/x, where k is a non-zero constant.
3.
FLASHCARD QUESTION
Front
What is joint variation?
Back
Joint variation is a relationship where a variable varies directly with the product of two or more other variables. It can be expressed as y = kxz, where k is a non-zero constant and x and z are the other variables.
4.
FLASHCARD QUESTION
Front
If x varies inversely as v, and x = 35 when v = 3, find x when v = 15.
Back
7
5.
FLASHCARD QUESTION
Front
State what type of variation the equation y = k/x represents.
Back
Inverse
6.
FLASHCARD QUESTION
Front
Which of the following is NOT a direct variation? y = -2x, y = 1/2x, 2x + 3y = 2, 3y = 4x.
Back
2x + 3y = 2
7.
FLASHCARD QUESTION
Front
What is the constant (k) in the inverse variation equation y = 400/x?
Back
400
Tags
CCSS.HSF-LE.A.1B
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