Quiz 23: Simplifying Imaginary Numbers & Radical Expressions & Operations of Complex Numbers

Complete Name (Last Name, First Name)

Class Period

• Period 1
• Period 2
• Period 5

1) What is the expression 17 - 3i^2 equal to?

• A) 17
• B) 18
• C) 19
• D) 20

2) Which of the following that you should memorize as pattern for imaginary equivalency? Note: Select the four correct answers.

• A
• C
• E
• G
• B

3) Simplify the expression (8i)^3.

• A) -512i
• B) -511i
• C) -510i
• D) -509i

4)

• A) 12i
• B) 15i
• C) 17i
• D) 19i

5) What is the conjugate of: - 8i ?

• A) + 8i
• B) -8i
• C) -8
• D) + 8

6) What is the conjugate of (2 + 3i)?

• A) 2 + 3i
• B) 2 - 3i
• C) -2 + 3i
• D) -2 - 3i

7) Simplify the complex numbers below:

• A) 3 + 1i
• B) 3 + 2i
• C) 3 + 3i
• D) 3 + 4i

8) Evaluate the expression given below:

• A) 37 + 50i
• B) -37 - 50i
• C) -38 + 50i
• D) 37 - 50i