Introduction to Imaginary Numbers

• 6i√5

• -8√5

• 8i√5

• -8i√5

• √2

• i√2

• i²√2

• -√2

• 6

• -6

• 6i

• 6i²

• 4i√3

• -4i√3

• 4√3

• -4√3

• 30

• 30i

• -30

• -30i

x² + 36 = 0

• x = ±6

• x = 6i

• x = -6

• x = ±6i

33 = 18 - 3x²

• x = ±5i

• x = ±i√5

• x = ±√5

• x = i√5

2(x - 8)² + 40 = 16

• x = 8 ± 2i√3

• x = 8 ± √-12

• x = -8 ± 2i√3

• x = 8 ± 3i√2

⅖(x + 3)² + 8 = -32

• x = 3 ± 10i

• x = ±13i

• x = -3 ± 10i

• x = ±i√10

Simplify √-23

• -√23

• 23i

• 23

• i√23