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.

Understanding Complex Numbers (Grades 11-12)

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

Understanding Complex Numbers

1. 
Simplify the complex number radical expression [math]sqrt(-75)[/math].
  1. [math]-5sqrt3[/math]
  2. [math]5sqrt3[/math]
  3. [math]-5isqrt3[/math]
  4. [math]5isqrt3[/math]
2. 
The point [math]1+i[/math] is in which quadrant?
  1. [math]I[/math]
  2. [math]II[/math]
  3. [math]III[/math]
  4. [math]IV[/math]
3. 
The point [math]2-5i[/math] is in which quadrant?
  1. [math]I[/math]
  2. [math]II[/math]
  3. [math]III[/math]
  4. [math]IV[/math]
4. 
Assuming the x-axis represents the real axis and the y-axis represents the imaginary axis, what is the value of the complex number represented by C?
Coordinate Plane - 5x5 - With Dots
  1. [math]2+4i[/math]
  2. [math]4+2i[/math]
  3. [math]2-4i[/math]
  4. [math]3+2i[/math]
5. 
Assuming that the x-axis is the real axis and the y-axis is the imaginary axis, what letter graphically represents the complex number [math]7 - 6i[/math]?
Coordinate Plane - 10x10 - With Dots
  1. A
  2. B
  3. C
  4. D
6. 
Add and simplify the complex number expression: [math]-60i^60 -70i^180[/math].
  1. [math]130[/math]
  2. [math]-130[/math]
  3. [math]130i[/math]
  4. [math]-130i[/math]
7. 
Simplify: [math]8i^6+6i^5-5i^3-3i^2-7i-9[/math]
  1. [math]-14+4i[/math]
  2. [math]-4+4i[/math]
  3. [math]-10i[/math]
  4. [math]-14-18i[/math]
8. 
Which of the following is equal to [math](3i +2)(3-i)[/math]?
  1. [math]3+7i[/math]
  2. [math]9i^2-2i[/math]
  3. [math]5+2i[/math]
  4. [math]9+7i[/math]
9. 
Perform the indicated operation and write the answer in standard form.

[math](3-4i)^2[/math]
  1. [math]-7-24i[/math]
  2. [math]25[/math]
  3. [math]9-16i[/math]
  4. [math]25-24i[/math]
10. 
Find the quotient: [math](8i)/(-1 +3i)[/math]
  1. [math](12-4i)/5[/math]
  2. [math](-12 + 4i)/-5[/math]
  3. [math](-1 + 8i)/3[/math]
  4. [math](1 + 8i)/-3[/math]
  5. [math]5i[/math]
  6. [math]-5i[/math]

Become a Help Teaching Pro subscriber to access premium printables

Unlimited premium printables Unlimited online testing Unlimited custom tests

Learn More About Benefits and Options

You need to be a HelpTeaching.com member to access free printables.
Already a member? Log in for access.    |    Go Back To Previous Page