Imaginary Numbers and Plane

• 30

• 30i

• -30

• -30i

Tags

CCSS.HSN.CN.A.2

33 = 18 - 3x²

• x = ±5i

• x = ±i√5

• x = ±√5

• x = i√5

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

2(x - 8)² + 40 = 16

• x = 8 ± 2i√3

• x = 8 ± √-12

• x = -8 ± 2i√3

• x = 8 ± 3i√2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

⅖(x + 3)² + 8 = -32

• x = 3 ± 10i

• x = ±13i

• x = -3 ± 10i

• x = ±i√10

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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Tags

CCSS.HSN.CN.A.1

Simplify √-4

• 2i

• -2i

• 2

• 4i

Simplify √-23

• -√23

• 23i

• 23

• i√23

Simplify √-1

• 1

• -i

• -1

• i

Tags

CCSS.HSN.CN.A.1

• 1

• -1

• i

• -i

Tags

CCSS.HSN.CN.A.2

(5-2i) + (-7+8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSN.CN.A.2