Simply Solving with Complex Numbers

Solve for x: 

• x = {-4, -1}

• x = {-1, -4}

• x = {2+i, 2-i}

• x = {-2+i, -2-i}

Solve for x:

• x = {-3+2i, -3-2i}

• x = {7, 6}

• x = 2±i√3

• No solution

i²⁴

• i

• 1

• i²

• 0

i²⁵

• i

• -1

• -i

• 1

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

If z=√2+√2 i then arg(z²)=

• 0^o

• 60^o

• 90^o

• Not Possible

3+√-4

• 1

• 3-2i

• 5

• 3+2i

i⁷⁹

• i

• 1

• -1

• -i

Solve for x: x² - 5x + 8 = 0

• x = (-5±i√7)/2

• x = (5±i√7)/2

• x = (8±i√7)/2

• x = (5±√57)/2