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Direct Variation
Inverse Variation
Work Problems
Working with Radical Expressions
Rationalizing the Denominator
Solving Rational Expressions
  WORK PROBLEMS
Think back to the last module, Module 6: Quadratic Equations, Radicals, and Complex Numbers. To solve a radical equation, you need to eliminate the radicals and obtain a polynomial equation. The key is to raise each side of the equation to the same power after you isolated the radical expression.

If a = b, then am = bm.
The key is to raise each side of the equation
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