Complex Operations

What is the simplified form of the above?

• 7/10 + 11/10 i

• 13/10 +1/10 i

• 5/4 - 3/2i

• 7/10 - 11/10 i

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

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

-i(4-9i)

• -13i

• 13i

• 9 - 4i

• -9 - 4i

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

• -4i -5

• 4i -5

• -4i + 5

• 4i + 5

(−3 − i) + 6 + (2 − 6i)

• 5 − 7i

• 1 + 5i

• 2 − i

• 5 + 7i

(1 -i) + (-1 + i)

• 2 - 3i

• 3 - 2i

• 2 + 3i

• 0

Which of the following is equivalent to 
(5-3i)+(-6+2i)?

• -1-5i

• -1-i

• 11-i

• -30-6i

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

(3 + 2i) + (3 + i)

• 3i + 6

• -3i + 6

• -3i -6

• 3i -6

• 1 - i

• 5 + i

• 5 - i

• 1 + i