# Complex and Imaginary Numbers Chapter Exam

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

### Page 1

#### Question 1 1. Which of the following graphs represents the complex number -i on the complex plane?

#### Question 2 2. Which two complex conjugates would multiply to equal 13?

####
Question 3
3.
In math, *i* equals _____.

#### Question 4 4. Simplify.

#### Question 5 5. The following is a result of the simplification of which of these expressions?

### Page 2

#### Question 6 6. Solve the equation below:

#### Question 7 7. Simplify:

#### Question 8 8. What is the most simplified form of the expression below?

#### Question 9 9. Which of the following graphs represents the complex number 3 + 2i on the complex plane?

#### Question 10 10. The following is a result of the simplification of which of these expressions?

### Page 3

#### Question 11 11. Which of the following is an imaginary number?

#### Question 12 12. Simplify.

#### Question 13 13. Which of the following expressions is a complex number?

#### Question 14 14. Which statement MUST be true about the equation below?

#### Question 15 15. Simplify.

### Page 4

#### Question 16 16. What type of solution(s) would you get from the equation below?

#### Question 17 17. What would be the first step in dividing the complex numbers below?

#### Question 18 18. Find the value of x:

#### Question 19 19. What is the complex conjugate of the expression below?

#### Question 20 20. Which basic operation of complex numbers will require you to learn completely new skills?

### Page 5

#### Question 21 21. Which number is represented by the graph below?

#### Question 22 22. Simplify.

#### Question 23 23. 6+14i is the result of which of the following?

#### Question 24 24. What is the simplified value of the expression below?

#### Question 25 25. Simplify.

### Page 6

#### Question 26 26. Find the roots of the equation below:

#### Question 27 27. How many roots does the equation below have?

#### Question 28 28. Which complex number would look like it was at the coordinates (-2, 4) if it was graphed?

#### Question 29 29. Which number is represented by the graph below?

#### Question 30 30. Simplify.

#### Complex and Imaginary Numbers Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!