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Physics

Radical equations and extraneous solutions

Squaring can remove a radical but may create a solution that fails the original equation.

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Chapter 3: Equations with powers, roots, and logarithms11 lessons · 38 min
  1. 1Fractional exponents and roots3 min
  2. 2Equations with fractional powers3 min
  3. 3Equations with negative powers3 min
  4. 4Equations with squared expressions3 min
  5. 5Radical equations and extraneous solutions3 min
  6. 6Reciprocal-sum equations3 min
  7. 7Difference of squares3 min
  8. 8Quadratic substitution in power equations4 min
  9. 9Logarithms and exponents3 min
  10. 10Solving exponential decay equations4 min
  11. 11Challenge: Equations with powers, roots, and logarithms6 min
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This lesson is part of the Physics course.

Example plan3 lessons · 9 min

Equations with squared expressions3 min
Radical equations and extraneous solutionsEquations with powers, roots, and logarithms3 min
Reciprocal-sum equationsEquations with powers, roots, and logarithms3 min

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