7.2 HW - Complex Numbers

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

(2i)(3i)

• 5i
• -5
• 6i
• -6

Tags

CCSS.HSN.CN.C.8

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Multiply: 
(4 – 3i)(-7 – 2i)

• A.  -23 + 13i
• B.  -23 - 29i
• C.  -34 + 13i
• D.  -34 - 29i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

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

• 5+5i
• 5-5i
• 2-3i
• 5+7i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify: 
(10+ 15i) - (48 - 30i)

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

Tags

CCSS.HSN.CN.A.2

How do you write a complex number?

• a-bi

• a+bi

• ai+b

• ai-b

Tags

CCSS.HSN.CN.A.1

(-7+6i)²

• 49+36i

• 85

• 13-84i

• 13+84i

Tags

CCSS.HSN.CN.C.8

4+5i+6+6i

• 21i

• 20i+36

• 24+30i

• 10+11i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify: 
(10+ 15i) - (48 - 30i)

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

Tags

CCSS.HSN.CN.A.2