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Direct Variation
Inverse Variation
Work Problems
Working with Radical Expressions
Rationalizing the Denominator
Solving Rational Expressions
  DIRECT VARIATION
An alternative method for solving for direct variation is to set up a proportion as shown.

(You can choose the method that you like best.)

Conclusion: The wave length of a wave that breaks at a height of 5 feet is 35 feet.
Set up a proportion
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