Complex Numbers

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 (-6i)(3i)

• -18

• -18i

• 18

• -18i²

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

What is the simplified form of (8 -3i)²?

• 73

• 16 - 6i

• 55 + 48i

• 55 - 48i

Tags

CCSS.HSN.CN.C.8

3i(4 - i)

• 9i

• -3 +12i

• 12 - 3i

• 3 + 12i

Tags

CCSS.HSN.CN.A.2

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

• 121 -110i

• 121 + 110i

• 146

• 121 - 25i²

Tags

CCSS.HSN.CN.C.8

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

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

 $3i\left(-1+5i\right)$  

•  $-3i+15i^2$  

•  $-1+8i$  

•  $12i$  

•  $-15-3i$  

Tags

CCSS.HSN.CN.A.2

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

 $\left(5-3i\right)\left(-2+4i\right)$  

•  $2+26i$  

•  $3+i$  

•  $-10-12i^2$  

•  $-22+14i$  

Tags

CCSS.HSN.CN.A.2