Share/Like This Page
Print Instructions

NOTE: Only your test content will print.
To preview this test, click on the File menu and select Print Preview.




See our guide on How To Change Browser Print Settings to customize headers and footers before printing.

Operations on Complex Numbers (Grades 11-12)

Print Test (Only the test content will print)
Name: Date:

Operations on Complex Numbers

1. 
Find the sum of the complex numbers: [math]i + 6i[/math]
  1. [math]6i[/math]
  2. [math]-6[/math]
  3. [math]5i[/math]
  4. [math]5[/math]
  5. [math]7i[/math]
  6. [math]-7[/math]
2. 
Add the following complex numbers.
[math] (3+4i) + (-1+3i)[/math]
  1. [math]2 + 7i[/math]
  2. [math]4 + 7i[/math]
  3. [math]-15 + 5i[/math]
  4. [math]2 + i[/math]
3. 
Subtract the following complex numbers.
[math](-2+4i) - (5-3i)[/math]
  1. [math]-7 + i[/math]
  2. [math]3 + 7i[/math]
  3. [math]-3 + i[/math]
  4. [math]-7 + 7i[/math]
4. 
Perform the indicated operation.
[math](3-5i) - (-3 + 4i)[/math]
  1. [math]i[/math]
  2. [math]6-9i[/math]
  3. [math]6-i[/math]
  4. [math]-9i[/math]
5. 
Simplify the complex number expression [math]3i^4+5i^6[/math]. Show your answer in the correct complex number form.
  1. [math]2[/math]
  2. [math]-2[/math]
  3. [math]2i[/math]
  4. [math]-2i[/math]
6. 
Multiply and write the result in standard form.
[math]4i(3i - 2)[/math]
  1. [math]-12i-8[/math]
  2. [math]12+8i[/math]
  3. [math]-12-8i[/math]
  4. [math]12i+8[/math]
7. 
Find the product: [math](7 - 6i)(-8 + 3i)[/math]
  1. [math]-56 + 18i[/math]
  2. [math]-56 - 18i[/math]
  3. [math]-38 + 69i[/math]
  4. [math]-38 - 69i[/math]
  5. [math]29 + 11i[/math]
  6. [math]-29 + 11i[/math]
8. 
Divide and simplify the complex number expression: [math]-5/(-5i)[/math]
  1. [math]-i[/math]
  2. [math]i[/math]
  3. [math]i^3[/math]
  4. [math]-i^3[/math]
9. 
Divide and simplify the complex number expression: [math](9i)/(-14+105i)[/math].
  1. [math]-135/1603-18/1603i[/math]
  2. [math]-135/1603+18/1603i[/math]
  3. [math]135/1603-18/1603i[/math]
  4. [math]135/1603+18/1603i[/math]
10. 
Divide and simplify the following complex number expression:[math](-5-9i)/(9+8i)[/math]
  1. [math]-117/145+41/145i[/math]
  2. [math]-117/145-41/145i[/math]
  3. [math]117/145+41/145i[/math]
  4. [math]117/145-41/145i[/math]
You need to be a HelpTeaching.com member to access free printables.
Already a member? Log in for access.    |    Go Back To Previous Page