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Twelfth Grade (Grade 12) Arithmetic and Number Concepts Questions

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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.B.5
[math](6+5i)-(-2+i)[/math]
  1. [math]4+4i[/math]
  2. [math]8+4i[/math]
  3. [math]10i[/math]
  4. [math]12i[/math]
Grade 12 Complex Numbers CCSS: HSN-CN.A.2
[math](4i)^2[/math]
  1. [math]16i[/math]
  2. [math]4[/math]
  3. [math]-16[/math]
  4. [math]8i[/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
a + bi is an example of                   of complex numbers.
  1. Trig form
  2. polar form
  3. rectangular form
  4. none of the above
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]
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