Homework 9.2

What is the simplified form of (-9 + 5i) + (3 -2i)

• -12 + 31i

• -6 + 3i

• -11 + 7i

• 5 - 3i

What is the simplifies form of (11 - 7i) - (-3 + 12i)

• 8 - 19i

• 8 + 5i

• 13- 19i

• 14 -19i

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

What is the simplified form of (-3 + 2i)(1- 4i)

• -2 - 2i

• 5 + 14i

• -11 -10i

• -3 -8i

What is the simplified form of (8 -3i)²?

• 73

• 16 - 6i

• 55 + 48i

• 55 - 48i

3i(4 - i)

• 9i

• -3 +12i

• 12 - 3i

• 3 + 12i

Express the product of 1-2i  and  2+3i  in a+bi form.

• 3+i
• 8-i
• 2-6i
• 2+6i

Given the two sets of complex numbers, what is the sum?     5-2i and -7+8i

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i