complex numbers

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

(2i)(3i)

• 5i
• -5
• 6i
• -6

(-3-i)(6-i)

• -21-7i
• -19-3i
• -15-5i
• -17-9i

Simplify:
-3i(4 + 2i)

• 6 - 12i
• 6 + 12i
• -12i - 6i²
• -12i + 6i²

Simplify: 
(10+ 15i) - (48 - 30i)

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

How do you write a complex number?

• a-bi

• a+bi

• ai+b

• ai-b

4+5i+6+6i

• 21i

• 20i+36

• 24+30i

• 10+11i

Simplify
2i - 7i + 10

• -5i+10
• 5i
• 9i+10
• 5i+10

Find the sum.
(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

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

• -6+12i
• -12-6i
• -2+7i
• 12+6i