Complex Numbers Study Guide

Where is point C located?

• 2 + i

• -3

• 2i

• -1 - i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.B.4

CCSS.HSN.CN.B.5

Where is point A located?

• 2 + i

• -3

• 2i

• -1 - i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.B.4

CCSS.HSN.CN.B.5

Solve the equation 3x² + 27 = 0.

• x = ±3
• x = 3 ± i
• x = ±3 + i
• x = ±3i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Express 8 √−84 in terms of i.

• −16i √21
• √−5376
• −16 √21
• 16i √21

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

CCSS.HSN.RN.A.2

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSA.APR.D.7

(10-6i) - (2+3i)

• 12 + 3i
• 8 - 3i
• 8 - 9i
• -9i + 8

Tags

CCSS.HSA.APR.A.1

Multiply
3i(-2 + 4i)

• -6+12i
• -12-6i
• -2+7i
• 12+6i

Tags

CCSS.HSA.APR.A.1