Root for those learning about roots. An installment of an extensive playlist covering derivatives focuses on using linear approximations to estimate roots. The example problem shows how to find the fourth root of 15 without a calculator.

Concepts

roots, estimation, derivatives, math applications

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Additional Tags

math

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Instructional Ideas

• Pause the video to have scholars try out the problem before watching the answer
  

Classroom Considerations

• Learners should be familiar with linear approximation
• Expertise in converting between expressions with roots and expressions with rational exponents is necessary
  

• This video is hosted on YouTube

Pros

• Shows each step in an organized manner
• Different colors help connect the work to the corresponding parts of the equation
  

Cons

• None