Explore a procedure for rationalizing a denominator that includes imaginary terms with a video that shows how to use a conjugate when working with fractions. The narrator explains the process from start to finish with each step shown in detail.

Concepts

imaginary numbers, complex numbers, conjugate pairs

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Additional Tags

math

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Instructional Ideas

• Begin with an analysis of conjugate pairs to establish the pattern of the result

Classroom Considerations

• Ensure pupils can multiply binomials efficiently
• Assumes a proficiency with simplifying expressions with i and i squared

• This video is hosted on YouTube

Pros

• Concludes the explanation of the review of the steps and related concepts

Cons

• The one example does not show the variation in the problems

Common Core

HSN-CN.B.4