Complex Plane Complex Numbers

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

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

How do you write a complex number?

• a-bi

• a+bi

• ai+b

• ai-b

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

• (4,0)

• 4 + 4i

• -4(i²)

• 4i

Simplify: 
(7 + 2i)(9 - 6i)

• 75-24i

• 63 - 24i  - 12i²

• 51 - 24i

• 58 + 60i

Where is point B located?

• 2 + i

• -3

• 2i

• -1 - i

Where is point C located?

• 2 + i

• -3

• 2i

• -1 - i

Plot 8 - 2i, where the Horizontal Axis represents the Real Numbers and the Vertical Axis the Imaginary.

Simplify 
√-25

• -5i

• 5

• 5i

• -5

√-108

• 3i√6

• 3i√20

• 6i√3

• 20i√3