Quiz on Complex Numbers

Multiply 2i(3-8i)

• 16-6i

• 16+6i

• 6i - 16i²

Tags

CCSS.HSN.CN.A.2

(1-3i)(2+5i)

• 22-i

• 16-i

• 17-i

• 17+I

Tags

CCSS.HSN.CN.A.2

(7-5i)(7+5i)

• 74

• 75

• 74-1

Tags

CCSS.HSN.CN.C.8

3i(4-9i)

• 28+12i

• 27+12i

• 28-12i

• -28+12i

Tags

CCSS.HSN.CN.A.2

(3+8i)(-2-i)

• 2-19i
• 23-i
• 34+5i
• 23-i

Tags

CCSS.HSN.CN.A.2

Simplify: 
(10+ 15i) - (48 - 30i)

• 58 - 45i
• 58 - 15i
• -38 - 15i
• -38 + 45i

Tags

CCSS.HSN.CN.A.2

Simplify
3i - (4 + 7i)

• -4 + 10i
• 21 - 12i
• 4 - 10i
• -4 - 4i

Tags

CCSS.HSN.CN.A.2

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.2

Simplify:
3√-81

• -27
• 3i√3
• 27i
• 9i

Simplify:
√-108

• 3i√6
• 3i√20
• 6i√3
• 20i√3