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Completing the Square - Problem 8

Teacher/Instructor Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

If you're a visual or kinesthetic learner, perhaps algebra tiles will help you understand the idea of "completing the square," which is physically turning a two term binomial into what we call a perfect square trinomial. If you set up the x-squared tiles and x-bars that are given and re-arrange them in a way where you're forming a square, you're trying to determine how many unit tiles would physically "complete the square." The result will always be (b/2)squared.

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