Complex Numbers

(3 + 2i) + (4 - 5i)

• 7 + 7i

• 1 - 3i

• 1 - 7i

• 7 - 3i

Tags

CCSS.HSN.CN.A.2

(4 - 2i) - (3 + 6i)

• 7 - 4i

• 1 + 4i

• 1 - 8i

• 7 - 8i

Tags

CCSS.HSN.CN.A.2

Simplify.

• 
• 
• 
• 

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

 $3+3i+8-2i-7$  

Tags

CCSS.HSN.CN.A.2

 $4i\left(-2-8i\right)$  

Tags

CCSS.HSN.CN.A.2

Solve  $x^2-2=17$  

•  $\pm\sqrt{19}$  

•  $1\pm\sqrt{19}$  

•  $\pm2\sqrt{19}$  

•  $17\pm2i$  

Tags

CCSS.8.EE.A.2

 $9x^2-3=-152$  

Solve

•  $\pm\frac{\sqrt{149}}{3}$  

•  $\pm\frac{i\sqrt{149}}{3}$  

•  $\pm\sqrt{149}$  

•  $\pm i\sqrt{149}$  

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

(2i)(3i)

• 5i
• -5
• 6i
• -6

Tags

CCSS.HSN.CN.C.8

Simplify.

• -5i
• 5
• 5i
• -5

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify: $\sqrt{-108}$  

•  $3i\sqrt{6}$  

•   $3i\sqrt{20}$   

•  $6i\sqrt{3}$  

•  $20i\sqrt{3}$  

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2