Imaginary/Complex Operations

What letter usually represent imaginary number?

• a
• i
• j
• x

Tags

CCSS.HSN.CN.A.1

What is the "real part" of the complex number (-2+7i)?

• 2

• -2

• 7i

• -7i

Tags

CCSS.6.EE.A.2B

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

• 14+8i
• 48+16i
• 12-8i
• 2-8i

Tags

CCSS.HSA.APR.A.1

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.3

What does i² = ?

• -1
• √-1
• 1
• -√1

Tags

CCSS.HSN.CN.A.1

What is the simplified form of (-9 + 5i) + (3 -2i)

• -12 + 31i

• -6 + 3i

• -11 + 7i

• 5 - 3i

Tags

CCSS.HSN.CN.A.2

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

• 8 - 19i

• 8 + 5i

• 13- 19i

• 14 -19i

Tags

CCSS.HSN.CN.A.2

Simplify.

• -5i
• 5
• 5i
• -5

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

What is i¹²⁹?

• -i
• i
• 1
• -1

Tags

CCSS.HSN.CN.A.2

Simplify √-45

• 3i√5
• -3i√5
• -i√45
• 45i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2