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Home > Algebra > Variation equations > Direct Variation calculator
Method and examples
Method
Direct Variation calculator
(If x proportional to y and x=4,y=2 then find y when x=18)
Variation
Given
Find

  1. If y varies directly as x and x = 4 when y = 2. find y when x=18
  2. y prop x and x=4 when y=20. find y when x=18
  3. If y varies directly as x and x = 12 when y = 9. find y when x=18
  4. If y varies directly as x^2 and x = 2 when y = 8. find y when x=5
  5. If y varies directly as square root of x and x = 4 when y = 8. find y when x=25
(Note: For proportional '`prop`' sign, we use '@' sign for input)
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