Operations on Complex Numbers

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

What is the simplified form of (-6i)(3i)

• -18

• -18i

• 18

• -18i²

Tags

CCSS.HSN.CN.A.2

What is the simplified form of (-3 + 2i)(1- 4i)

• -2 - 2i

• 5 + 14i

• -11 -10i

• -3 -8i

What is the simplified form of (8 -3i)²?

• 73

• 16 - 6i

• 55 + 48i

• 55 - 48i

3i(4 - i)

• 9i

• -3 +12i

• 12 - 3i

• 3 + 12i

Tags

CCSS.HSN.CN.A.2

Simplify i⁴

• 1

• i

• -i

• -1

Simplify (9 - i) (9 + i)

• 80

• 81

• 82

• 79

What is the simplified form of (7 + 4i) - (2 - 3i)?

• 5 + 7i

• 9 + i

• 5 + i

• 9 + 7i

Simplify (6 + 2i)(6 - 2i)

• 40

• 36

• 32

• 34