Fill in the blank:If A = 20B,then A and B vary ________
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Answers
If A = 20B, then A and B vary DIRECTLY
Different type of Variations:
- Direct
- Inverse
- Joint
- Combined
Direct variation:
If a variable increases then other variable also increases with a constant factor
y = kx
As A = 20B is of form y = kx hence A and B vary directly.
inverse variation:
If a variable increases then other variable decreases with a constant factor xy = k
Joint variation
It is a relationship between at least three variables,
where one variable varies directly with all other variables.
y = kxz
Combined Variation
It is a relationship between three or more variables where it is in direct variation with few variable
and in inverse variation with other variable y = kx/z
If A = 20B, then A and B vary DIRECTLY
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