Learners review how to use the completing-the-square method to identify maximum and minimum values of a quadratic function by watching a video. They see how the vertex form relates to the extreme values of a quadratic function, and use this knowledge to complete a worksheet.

Concepts

completing the square, solving quadratics, quadratic functions

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Additional Tags

math

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Instructional Ideas

• Use the resource as an intervention tool

Classroom Considerations

• Pupils should have some prior knowledge regarding the graphs of quadratic functions
• Note that the resource is intended as a review, but it could easily by modified for an introductory lesson

Pros

• Includes QR code link to a tutorial video
• Answer key offers complete solutions for the worksheet

Cons

• Almost all problems have trinomials with a = 1; little variation in presentation

Common Core

HSA-REI.B.4.a HSF-IF.C.8.a