IM Alg1.7.19 Lesson: Deriving the Quadratic Formula

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  1. Here are some perfect squares in factored and standard forms, and an expression showing how the two forms are related. Study the first few examples, and then complete the missing numbers in t (.ggb)
     
  2. Here is one way to make sense of how the quadratic formula came about. Study the derivation until you can explain what happened in each step. Record your explanation next to each step. (.ggb)