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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
Factor [math]x^2+16[/math]
  1. [math]sqrt16i[/math]
  2. [math](x-4i)(x+4i)[/math]
  3. [math]+-sqrt4[/math]
  4. [math](x+2i)(x-2i)[/math]
Grade 12 Complex Numbers CCSS: HSN-CN.C.8
Factor [math]x^2+12[/math]
  1. [math]2sqrt3i[/math]
  2. [math](x-4i)(x+4i)[/math]
  3. [math]+-sqrt12[/math]
  4. [math](x+2sqrt3i)(x-2sqrt3i)[/math]
Grade 12 Complex Numbers CCSS: HSN-CN.C.8
Factor [math]x^2+64[/math]
  1. [math](x+8i)(x-8i)[/math]
  2. [math](x-8)(x+8)[/math]
  3. [math]+-sqrt64[/math]
  4. [math](x+64i)(x-64i)[/math]
Grade 12 Complex Numbers CCSS: HSN-CN.C.8
Factor [math]x^2+100[/math]
  1. [math]sqrt100i[/math]
  2. [math](x-10)(x+10)[/math]
  3. [math]+-sqrt100[/math]
  4. [math](x+10i)(x-10i)[/math]
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.C.8

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

Grade 9 Complex Numbers CCSS: HSN-CN.C.8

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

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