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Common Core Standard HSN-CN.C.8 Questions

(+) Extend polynomial identities to the complex numbers. For example, rewrite x2 + 4 as (x + 2i)(x – 2i).

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Grade 12 Complex Numbers CCSS: HSN-CN.C.8
Find the roots of [math]x^2+12[/math].
  1. [math]2sqrt3[/math]
  2. [math]+-2sqrt3i[/math]
  3. [math]+-sqrt12[/math]
  4. [math](x+2sqrt3i)(x-2sqrt3i)[/math]
Grade 9 Complex Numbers CCSS: HSN-CN.A.2, HSN-CN.C.8

This question is a part of a group with common instructions. View group »

[math](5 - i)(2 + 3i)[/math]
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