0930-100121 QUIZ Complex Operations

What is the simplified form of (-9 + 5i) + (3 -2i)

• -12 + 31i

• -6 + 3i

• -11 + 7i

• 5 - 3i

Tags

CCSS.HSN.CN.A.2

What is the simplifies form of (11 - 7i) - (-3 + 12i)

• 8 - 19i

• 8 + 5i

• 13- 19i

• 14 -19i

Tags

CCSS.HSN.CN.A.2

What is the simplified form of (-3 + 2i)(1- 4i)

• -2 - 2i

• 5 + 14i

• -11 -10i

• -3 -8i

Tags

CCSS.HSN.CN.A.2

Simplify i³⁷

• 1

• i

• -i

• -1

Tags

CCSS.HSN.CN.A.2

Simplify (11 + 5i)(11 - 5i)

• 121 -110i

• 121 + 110i

• 146

• 121 - 25i²

Tags

CCSS.HSN.CN.C.8

Write  $\sqrt{-9}$  in the form  $a+bi$  .

• 3i

• 9i

• 3

• 9

Simplify. Write your answer in the form  $a+bi$  .

 $\left(2+4i\right)-\left(1-2i\right)$  

•  $3+2i$  

•  $1-2i$  

•  $1+6i$  

•  $10$  

Tags

CCSS.HSN.CN.A.2

How are you feeling about Operations on Complex Numbers (Adding, Subtracting, & Multiplying)?

• Complex Numbers??? I NEED HELP!!!

• I can do these with some help and need some extra practice.

• I'm pretty confident and can do these on my own.

• I could teach a class on this!

Tags

CCSS.HSN.CN.A.2

Given the two sets of complex numbers, what is the sum?     5-2i and -7+8i

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.2

What is the conjugate you would multiply by?

• 5+2i

• 5-2i

• -5-2i

• -5+2i

Tags

CCSS.HSN.CN.A.3