Complex Numbers

Find the sum.

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

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSA.APR.D.7

Simplify:

(10+ 15i) - (48 - 30i)

• 58 - 45i

• 58 - 15i

• -38 - 15i

• -38 + 45i

Tags

CCSS.HSA.APR.A.1

(2i)(3i)

• 5i

• -5

• 6i

• -6

Tags

CCSS.HSA.APR.A.1

Tags

CCSS.HSA.APR.A.1

Tags

CCSS.HSA.APR.A.1

i⁷

• i
• -i
• 1
• -1

i⁵²

• i
• -i
• 1
• -1

Tags

CCSS.HSF-IF.C.8B

i⁶⁶

• 1
• i
• -1
• -i

How do you write a complex number?

• a-bi

• a+bi

• ai+b

• ai-b

What is the simplified form of (-6i)(3i)

• -18

• -18i

• 18

• -18i²

Tags

CCSS.HSA.APR.A.1