JHS Algebra 2 Unit 1 Test Review Part 1

What is the complex conjugate of  4-3i?

• A.  1/(4-3i)
• B. 1/(4+3i)
• C.  -4 + 3i
• D.  4 + 3i

What is the conjugate of -2+5i?

• -5+2i
• -2-5i
• 2+5i
• 5-2i

i⁶⁶

• 1
• i
• -1
• -i

What does i² = ?

• -1
• √-1
• 1
• -√1

i⁵²

• i
• -i
• 1
• -1

Simplify:
i⁷

• i
• -i
• 1
• -1

i¹³

• -1
• 1
• i
• -i

 $Simplify:\ \ \ \ 2i\left(4\ +\ 3i\right)$  

•  $-6\ +\ 8i$  

•  $6\ +\ 8i$  

•  $-6i\ +\ 8i$  

•  $-1\ +\ 8i$  

Simplify: 
(10+ 15i) - (48 - 30i)

• 58 - 45i
• 58 - 15i
• -38 - 15i
• -38 + 45i

Choose the correct answer for the operation pictured.

• 7-13i
• 7-i
• 1-13i
• 1-i