Complex Numbers

√-36

• 6
• -6
• -6i
• 6i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

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

• 20-27i
• 12-7i
• 8+12i
• 20-27i²

Tags

CCSS.HSA.APR.A.1

Choose the correct answer for the operation pictured.

• 7-3i
• 7+13i
• -5+3i
• -5+13i

Tags

CCSS.HSA.APR.A.1

Which of the following is equivalent to (3-5i)-(6+2i)

• -3-7i
• -3-3i
• 3-3i
• 9-7i

Tags

CCSS.HSA.APR.D.7

Find the difference.
(6 - 8i) - (1 - 3i)

• 9 + 5i
• 5 - 11i
• 5 - 5i
• 7 + 5i

Tags

CCSS.HSA.APR.A.1

Simplify
3i - (4 + 7i)

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

Tags

CCSS.HSN.CN.A.2

Evaluate (9 + 3i) (9 - 3i). 

• 81 -9i
• 90
• 81 + 27i -9i²
• 81i - 9

Tags

CCSS.HSA.APR.A.1

The expression (2 + 3i)² is equal to

• -5
• -5+12i
• 13
• 13 + 12i

Tags

CCSS.HSN.CN.C.8

The product of (3 -2i) and (7+6i) is

• 21-12i
• 9 + 4i
• 33 + 4i
• 21 + 16i

Tags

CCSS.HSN.CN.A.2