Imaginary and Complex Numbers Quiz Alternate

What does i² =  ?

• 1
• -1
• √-1
• √1

Tags

CCSS.HSN.CN.A.1

Simplify:

(10 + 15i) - (48 - 30i)

• 58 - 45i

• 58 - 15i

• -38 - 15i

• -38 + 45i

Tags

CCSS.HSN.CN.A.2

Find the sum.

(5 - 2i) + (-7 + 8i)

• -2 + 6i

• 12 + 6i

• -35 - 16i²

• -35 - 16i

Tags

CCSS.HSN.CN.A.2

i¹³

• -1
• 1
• i
• -i

Tags

CCSS.HSN.CN.A.2

What is i¹²⁹?

• -i
• i
• 1
• -1

Tags

CCSS.HSN.CN.A.2

Calculate:
(4 − 7i) − (-3 + 6i)

• 7 − 13i
• 7 − i 
• 1 − 13i
• 1 − i 

Tags

CCSS.HSN.CN.A.2

(5 − 3i) + (-6 + 2i)

• -1 -1i
• 11 + 5i
• -11 −  5i
• 11 − 1i

Tags

CCSS.HSN.CN.A.2

Find the sum.
(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.2

i⁷⁹

• i
• 1
• -1
• -i

Tags

CCSS.HSN.CN.A.2

Simplify the expression:
 $\left(1\ +\ 5i\right)\ +\ \left(1\ -\ 5i\right)$  

•  $2\ +\ 10i$  

•  $2\ +\ 10i^2$  

•  $2$  

•  $-8$  

Tags

CCSS.HSN.CN.A.2