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Radical equations & functions

This course contains 5 segments:

Solving square-root equations

Learn how to solve equations with square-root expressions in them. For example, solve √(2x-5)=√(7-3x).

Extraneous solutions of radical equations

Learn about the conditions for obtaining extraneous solutions while solving radical equations.

Solving cube-root equations

Learn how to solve equations with cube-root expressions in them. For example, solve ∛(2-6x)=x+3.

Domain of radical functions

Learn how the domain of radical functions is determined.

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This course contains 5 segments:

Solving square-root equations

Learn how to solve equations with square-root expressions in them. For example, solve √(2x-5)=√(7-3x).

Extraneous solutions of radical equations

Learn about the conditions for obtaining extraneous solutions while solving radical equations.

Solving cube-root equations

Learn how to solve equations with cube-root expressions in them. For example, solve ∛(2-6x)=x+3.

Domain of radical functions

Learn how the domain of radical functions is determined.

Graphs of radical functions

Learn how the graphs of radical functions look, and how we can reason about them using function transformations (i.e. shifts, stretches, etc.).

This course is no longer available. Find a similar course by searching these:
graphing radical functions radical equations square-root equations cube-root equations domain of radical functions extraneous solutions

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Time
2 hours
Via
Khan Academy
This course belongs to a collection called Algebra (all content). It's comprised of 20 courses:
  1. Introduction to algebra
  2. Solving basic equations & inequalities (one variable, linear)
  3. Linear equations, functions, & graphs
  4. Sequences
  5. System of equations
  6. Two-variable inequalities
  7. Functions
  8. Absolute value equations, functions, & inequalities
  9. Quadratic equations & functions
  10. Polynomial expressions, equations, & functions
  11. Exponential & logarithmic functions
  12. Radical equations & functions (viewing)
  13. Rational expressions, equations, & functions
  14. Trigonometric functions
  15. Algebraic modeling
  16. Complex numbers
  17. Series & induction
  18. Conic sections
  19. Vectors
  20. Matrices
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