Illustrative Math Complex Numbers

• 10
• -10
• 10i
• -10i

√-81

• 9i

• -9i

• -9

• 9

Find the product
(1+3i)(2-i)

• 5+5i

• 5-5i

• 2-3i

• 5+7i

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

(-7+6i)²

• 49+36i

• 85

• 13-84i

• 13+84i

Tags

CCSS.HSN.CN.C.8

(6+i)(-3+6i)

• 3+7i

• -18+6i

• -24+6i

• -18+12i

Tags

CCSS.HSN.CN.A.2

4+5i+6+6i

• 21i

• 20i+36

• 24+30i

• 10+11i

Tags

CCSS.HSN.CN.A.2

(3+4i)(-8-i)

• -5+3i

• -24-4i

• -24-4i²

• -20

• -20-36i

Tags

CCSS.HSN.CN.A.2

• 10
• -10
• 10i
• -10i

(4 - 2i) - (3 + 6i)

• 7 - 4i

• 1 + 4i

• 1 - 8i

• 7 - 8i

Tags

CCSS.HSN.CN.A.2