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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+4x+29
  1. (x+2)2=5i
  2. x+2=±5i
  3. (x-2)2=±√-25
  4. (x-2)2=-25