Test on Complex Number

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

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSN.CN.A.2

Multiply
3i(-2 + 4i)

• -6+12i

• -12-6i

• -2+7i

• 12+6i

Tags

CCSS.HSN.CN.A.2

• A
• B
• C
• D

Tags

CCSS.HSN.CN.C.8

Multiply: 
(4 – 3i)(7 + 2i)

•  22 - 13i

•  28 - 19i

•  34 - 13i

•   -34 - 29i

Tags

CCSS.HSN.CN.A.2

3+√-4

• 1

• 3-2i

• 5

• 3+2i

Tags

CCSS.HSN.CN.A.1

If z=√2+√2 i then arg(z²)=

• 0^o

• 60^o

• 90^o

• Not Possible

Tags

CCSS.HSN.CN.B.4

• 5i
• -5i
• 5+i
• -5

i⁷⁹

• i

• 1

• -1

• -i

Tags

CCSS.HSN.CN.A.2

Lisa wants to buy two new dresses from the mall. If one dress costs (59 - 6i) and the other costs (34 + 17i), how much money will she need to bring to the mall?

• 82 dollars

• 93 + 11i dollars

• 93 - 23i dollars

• 25 - 23i dollars

Tags

CCSS.HSN.CN.A.2

• i

• -1

• 1

• -i

Tags

CCSS.HSN.CN.A.1