Test on Complex Number

What is the simplifies form of (11 - 7i) - (-3 + 12i)

• 8 - 19i

• 8 + 5i

• 13- 19i

• 14 -19i

(5 − 3i) + (-6 + 2i)

• -1 -1i

• 11 + 5i

• -11 −  5i

• 11 − 1i

Simplify: √-64

• -8

• 8i

• -8i

• 8

Simplify -√-8

• -i√8

• -2i√2

• 2i√2

• -8i

Simplify -√-48

• 4i√3

• -4i√3

• i√48

• -48i

Simplify √-28

• -√28

• -2i√7

• 2i√7

• 28i

Simplify 2√-32

• 2i√32

• 4i√2

• 8i√2

• -16i√2

Simplify
(-6 - 2i)²

• 32

• 36-4i

• 36+24i

• 32+24i

• 2

• -2

• 4

• -4

• 14

• -14

• 6

• -6