Simple Solving with Complex Numbers

Solve for x: 3x² - 6x + 6 = 0

• x = 1± i

• x = 3, -6

• x = 4.8, 2.7

• Undefined

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve for x: 

• x = {-4, -1}

• x = {-1, -4}

• x = {2+i, 2-i}

• x = {-2+i, -2-i}

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve for x:

• x = {-3+2i, -3-2i}

• x = {7, 6}

• x = 2±i√3

• No solution

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

i²⁴

• i

• 1

• i²

• 0

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

Tags

CCSS.HSN.CN.C.8

If z=√2+√2 i then arg(z²)=

• 0^o

• 60^o

• 90^o

• Not Possible

Tags

CCSS.HSN.CN.B.4

Tags

CCSS.HSN.CN.A.2

3+√-4

• 1

• 3-2i

• 5

• 3+2i

Tags

CCSS.HSN.CN.A.1

i⁷⁹

• i

• 1

• -1

• -i

Tags

CCSS.HSN.CN.A.2