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Type: Multiple-Choice
Category: Quadratic Equations and Expressions
Level: Grade 11
Standards: HSA-REI.B.4, HSA-REI.B.4a
Author: jjstanley
Last Modified: 7 years ago

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Quadratic Equations and Expressions Question

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Grade 11 Quadratic Equations and Expressions CCSS: HSA-REI.B.4, HSA-REI.B.4a

Which of the following would be a correct step in completing the square to solve for the roots?
x2-24x+80
  1. (x-12)2=64
  2. (x-12)2=√64
  3. (x-12)2=√-64
  4. (x-12)2=-64