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Operations on Complex Numbers - Practice #2 (Grades 11-12)

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Operations on Complex Numbers - Practice #2

1. 
Add. [math] (5-2i) + 3i[/math]
  1. [math]11[/math]
  2. [math]6 + 15i[/math]
  3. [math]5 + i[/math]
  4. [math]5 - 5i[/math]
2. 
Subtract. [math](-3 + 2i) - (-4 - 8i)[/math]
  1. [math]-7 - 6i[/math]
  2. [math]1 + 10i[/math]
  3. [math]1 - 6i[/math]
  4. [math]7+ 10i[/math]
3. 
Perform the operation for the complex number radical expression [math]sqrt(-64)+sqrt(-36)[/math].
  1. [math]-14i[/math]
  2. [math]14i[/math]
  3. [math]14[/math]
  4. [math]-14[/math]
4. 
Evaluate. [math]i^29 + 1/i^29[/math]
  1. 0
  2. 1
  3. -1
  4. 2
5. 
Find the product: [math]5i(-i)[/math]
  1. [math]-5[/math]
  2. [math]5[/math]
  3. [math]-5i[/math]
  4. [math]5i[/math]
  5. [math]1[/math]
6. 
Multiply and simplify the complex numbers in the following expression: [math](-3+2i)(-6-8i)[/math].
  1. [math]-34-12i[/math]
  2. [math]34+12i[/math]
  3. [math]34-12i[/math]
  4. [math]-34+12i[/math]
7. 
Expand and simplify: [math](5-10i)(5+10i)[/math].
  1. [math]-125[/math]
  2. [math]25 - 100i[/math]
  3. [math]150i[/math]
  4. [math]125[/math]
8. 
Find the quotient: [math]6/(-4i)[/math]
  1. [math]-3i[/math]
  2. [math]3i[/math]
  3. [math](-2i)/3[/math]
  4. [math](2i)/3[/math]
  5. [math](3i)/2[/math]
  6. [math](-3i)/2[/math]
9. 
Divide and simplify the following complex number expression: [math](4-9i)/(-6i)[/math]
  1. [math]-3/2+2/3i[/math]
  2. [math]3/2+2/3i[/math]
  3. [math]-3/2-2/3i[/math]
  4. [math]3/3-2/3i[/math]
10. 
Simplify. [math](2-i)/(-3+6i)[/math]
  1. [math]-4/9-1/3i[/math]
  2. [math]-4/15-1/3i[/math]
  3. [math]-4/15-1/5i[/math]
  4. [math]-1/5i[/math]
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