Imaginary Numbers and Plane

5-3i is an example of what?

• imaginary unit

• complex conjugate

• complex number

• complex number plane

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

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Simplify: 
(10+ 15i)-(48 - 30i)

• 58 - 45i

• 58 - 15i

• -38 - 15i

• -38 + 45i

Simplify
2i - 7i + 10

• 10 - 5i

• 5i

• 10 + 9i

• 10 + 5i

(2i)(3i)

• 5i

• -5

• 6i²

• -6

i¹³

• -1

• 1

• i

• -i

i⁷

• i

• -i

• 1

• -1

What is i¹²⁹?

• -i

• i

• 1

• -1

Simplify -√-8

• -i√8

• -2i√2

• 2i√2

• -8i

Calculate:
i + 6i

• 6i²

• 7i

• 5i

• 7i²