3.10 Notes Practice

• 2i√6

• 8i√3

• -2√6

• -2i√6

• i

• -1

• 1

• -i

x² + 36 = 0

• x = ±6

• x = 6i

• x = -6

• x = ±6i

33 = 18 - 3x²

• x = ±5i

• x = ±i√5

• x = ±√5

• x = i√5

2(x - 8)² + 40 = 16

• x = 8 ± 2i√3

• x = 8 ± √-12

• x = -8 ± 2i√3

• x = 8 ± 3i√2

Multiply: 
(4 – 3i)(-7 – 2i)

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

Simplify: 
(10+ 15i) - (48 - 30i)

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

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

(3i)(-2+4i)

• -6+12i
• -12-6i
• -2+7i
• 12+6i

Calculate:
(4 − 7i) − (-3 + 6i)

• 7 − 13i
• 7 − i 
• 1 − 13i
• 1 − i