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.

Concepts

quadratic functions, quadratic equations, y-intercepts, roots, x-intercepts, factoring quadratics

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Additional Tags

math

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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

Common Core

SL.9-10.2 HSF-IF.B.4 RST.9-10.7