Intro to Complex Numbers

Simplify:

(10+3i) - (2-9i)

• 20-27i

• 12-7i

• 8+12i

• 20-27i²

What complex number is represented by the graph?

• -3-i

• -3+i

• 1+3i

• 1-3i

Match the expression to the graph shown in the complex plane.

• -2i-3i

• (0,-5)

• -6i

• -2(3i)

Simplify: 
(10+ 15i) - (48 - 30i)

• 58 - 45i

• 58 - 15i

• -38 - 15i

• -38 + 45i

Where is point C located?

(3 + 2i) + (4 - 5i)

• 7 + 7i

• 1 - 3i

• 1 - 7i

• 7 - 3i

Calculate: 
(1 − 2i) + (-4 + 2i)

• -3

• -3 − 4i

• 5 − 4i

• 5

Calculate:
i + 6i

• 6i²

• 7i

• 5i

• 7i²

Calculate: 
-12i + 7i

• 19i

• -19i

• 5i

• -5i

(5 − 3i) + (-6 + 2i)

• -1 -1i

• 11 + 5i

• -11 −  5i

• 11 − 1i