Complex Numbers Review

i¹³

• -1

• 1

• i

• -i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify:
(-3i)(4i)(-5i)

• -60i

• 60

• -60

• 60i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Multiply: 
(4 – 3i)(-7 – 2i)

• A.  -23 + 13i

• B.  -23 - 29i

• C.  -34 + 13i

• D.  -34 - 29i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify
2i - 7i + 10

• -5i+10

• 5i

• 9i+10

• 5i+10

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Multiply
(3i)(-2+4i)

• -6+12i

• -12-6i

• -2+7i

• 12+6i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify.
(5 + 2i) - (-8 + 5i)

• 13 - 7i

• 10 + 2i

• 13 - 3i

• -3 + 7i

Simplify.
(6 - 3i) + (1 + 8i)

• 9 + 5i

• 5 - 11i

• -5 + 5i

• 7 + 5i

Tags

CCSS.HSN.CN.A.2

(-8 - 7i)²

• 256

• 15 + 112i

• 169

• 15 - 112i

Tags

CCSS.HSN.CN.A.2

3p² = -210

• ± i √7

• i√7

• ± i√70

• ± 11

Solve using the Quadratic Formula.
5x² + 6x + 12 = 0

• -3 ± i √51
  _________
  5

• -2 ± i
  ________
  2

• 1          -5
  ____  ,   ____
  2           2

• 5