Instructional Video

Quadratic Graph—Roots and Y-Intercept

Curated and Reviewed by Lesson Planet

Build a connection between the equation and graph of a quadratic function. A thorough video lesson demonstrates how to use find the roots and y-intercept of a quadratic function and create a graph from the three points. The instructor uses factoring to determine the roots and substitution locates the y-intercept.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Create a guided notes document to accompany the video
  • Post the video as a resource for absent students and during the chapter review
Classroom Considerations
  • Relies on pupils' ability to factor quadratic functions
  • This video is hosted on YouTube
Pros
  • Incorporates visuals to help individuals remember key characteristics
  • Offers subtitles to assist with note taking and spelling
Cons
  • None