Illustrative Math - Algebra 2 - Unit 3 - Lesson 19
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Write a quadratic equation that has two non-real solutions. How did you decide what equation to write?
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A.REI.4.b
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Elena and Kiran were solving the equation 2x^{2}-4x+3=0 and they got different answers. Elena wrote 1\pm i\sqrt{0.5}, and Kiran wrote 1\pm \frac{i \sqrt{8}}{4}. Are their answers equivalent? Say how you know.
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A.REI.4.b
This lesson is from Illustrative Mathematics. Algebra 2, Unit 3, Lesson 19. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/3/3/19/preparation.html ; accessed 27/July/2021.
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