Now your lesson will be complete. Scholars first review the process of completing the square to rewrite quadratics in vertex form. The method shown here is to first take half of the coefficient of x and finding the perfect square, then to adjust constants as necessary.

Concepts

quadratic equations, solving quadratics, completing the square

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Additional Tags

math

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Instructional Ideas

• Use the video and worksheet as part of an intervention session
  

Classroom Considerations

• Note that the video does not use the (b/a)^2 method often shown in textbooks
• Learners should be able to use FOIL
  

Pros

• Looks at a few quadratics where the coefficient of x is not a multiple of 2, requiring some work with fractions to add variety to the worked examples
  

Cons

• Only accounts for quadratics with leading coefficient of one
  

Common Core

HSA-REI.B.4.a