Review

Imagine you're a math wizard! In your latest adventure, you encounter two mystical numbers: (-9 + 5i) and (3 -2i). With a wave of your wand, you decide to combine their powers. What new power (number) do you create?

• -12 + 31i

• -6 + 3i

• -11 + 7i

• 5 - 3i

Imagine you're a math wizard! You've encountered a magical equation: (11 - 7i) - (-3 + 12i). Can you simplify this spell to its most potent form?

• 8 - 19i

• 8 + 5i

• 14 - 19i

• 13 - 19i

Imagine you're a math wizard! In your magical world, you encounter two mystical numbers: -6i and 3i. When you combine their powers, what new magic number do they create?

• -18

• -18i

• 18

• -18i²

Imagine you're a math wizard! Your next spell is to simplify this magical formula: (-3 + 2i)(1- 4i). Can you cast the correct spell?

• -2 - 2i

• 5 + 14i

• -11 -10i

• -3 -8i

Let's dive into the magical world of complex numbers! Can you tell me what the simplified form of (8 -3i)² is?

• 73

• 16 - 6i

• 55 + 48i

• 55 - 48i

Imagine you're a math wizard, and you've just cast a spell: 3i(4 - i). What magical result do you get?

• 9i

• -3 +12i

• 12 - 3i

• 3 + 12i

Let's dive into the magical world of complex numbers! Can you find the treasure by multiplying 1-2i  and  2+3i  ? Express your find in the enchanting a+bi form.

• 3+i

• 8-i

• 2-6i

• 2+6i

Let's dive into a magical world of numbers! Can you tell me the sum of these two mystical creatures?     5-2i and -7+8i

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

• A

• B

• C

• D

• A

• B

• C

• D