Practice Test on Operations with Complex Numbers

(5 - 2i) + (-7 + 8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSN.CN.A.2

(10 + 3i) - (2 - 9i)

• 20 - 27i

• 12 - 7i

• 8 + 12i

• 20 - 27i²

Tags

CCSS.HSA.APR.A.1

(i)(3i)

• -3i

• -3

• 3

• 2i

Tags

CCSS.HSN.CN.A.2

Multiply
3i(-2 + 4i)

• -6+12i
• -12-6i
• -2+7i
• 12+6i

Tags

CCSS.HSN.CN.A.2

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

• 74
• 24
• 49 - 25i
• 49 + 25i

Tags

CCSS.HSN.CN.C.8

The expression (2 + 3i)² is equal to

• -5
• -5 + 12i
• 13
• 13 + 12i

Tags

CCSS.HSN.CN.C.8

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.2

• A
• B
• C
• D

Tags

CCSS.HSN.CN.C.8

• A
• B
• C
• D

Tags

CCSS.HSA.APR.D.6

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2