Operations with Complex Numbers

Simplify

• 5i
• -5i
• ±5i
• ±

Simplify √-23

• -√23
• 23i
• 23
• i√23

      1.                             

• A
• B
• C
• D

• 2i√6

• 8i√3

• -2√6

• -2i√6

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

• 8 – 19i

• 8 + 5i

• 13 – 19i

• 14 –19i

Tags

CCSS.HSN.CN.A.2

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 simplified form of

(-3 + 2i)(1- 4i)

• -2 - 2i

• 5 + 14i

• -11 -10i

• -3 -8i

Tags

CCSS.HSN.CN.A.2

What is the simplified form of

(i)(3i)

• -3i

• -3

• 3

• 2i

Tags

CCSS.HSN.CN.A.2

Tags

CCSS.HSN.CN.A.1