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Tenth Grade (Grade 10) Complex Numbers Questions

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Grade 10 Complex Numbers CCSS: HSN-CN.A.2
Simplify problem to discover product of [math](2 - i)(4 + 5i)[/math] in standard form.
  1. [math]13 - 6i[/math]
  2. [math]8 + i[/math]
  3. [math]3 + 6i[/math]
  4. [math]13 + 6i[/math]
Grade 10 Complex Numbers CCSS: HSN-CN.A.2
Write [math](3 + 2i) - (4 - 3i)[/math] in standard form.
  1. [math]- 1 +5i[/math]
  2. [math]-1 - i[/math]
  3. [math]7 - i[/math]
  4. [math]7 + 5i[/math]
Grade 10 Complex Numbers CCSS: HSN-CN.A.2
If [math]i^2=-1[/math], then what is the value of [math]i^32[/math]?
  1. [math]-1[/math]
  2. [math]1[/math]
  3. [math]-i[/math]
  4. [math]i[/math]
Grade 10 Complex Numbers CCSS: HSN-CN.A.3
Simplify. [math](1+2i)/ (2-3i)[/math]
  1. [math](8/7) + i[/math]
  2. [math](8/7) + (1/7)i[/math]
  3. [math]-4+7i[/math]
  4. [math]-(4/13) +(7/13) i[/math]
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