Videos are a useful instructional tool with versatile application. Here is a video that reviews the process of finding limits for rational expressions with undefined points. It outlines the algebraic method of factoring and reinforces the concept with a graphical analysis.

Concepts

limits, factoring, rational expressions

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Additional Tags

math

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Instructional Ideas

• Post the video as a review tool for students to freshen up on these concepts
• Assign the link for absent students or use it on a day a substitute is required

Classroom Considerations

• This is the second in a series of five videos all about limits
• Technology to watch the video is required

• This video is hosted on YouTube

Pros

• Content is clear and to the point

Cons

• No supplemental materials are included

Common Core

HSF-IF.C.7.a