Algebra 2A 4.4 Assignment

(2i)(3i)

• 5i
• -5
• 6i²
• -6

What does i² =  ?

• 1
• -1
• √-1
• √1

(3 + 2i) + (4 - 5i)

• 7 + 7i

• 1 - 3i

• 1 - 7i

• 7 - 3i

(-7 + 9i) + (2 - 10i)

• -5 + i

• -5 - i

• -9 + 1

• 9 - i

(4 - 2i) - (3 + 6i)

• 7 - 4i

• 1 + 4i

• 1 - 8i

• 7 - 8i

Choose the correct answer for the operation pictured.

• 7-13i
• 7-i
• 1-13i
• 1-i

(3 + 8i)(-2 - i)

• 2-19i

• 23-i

• 34+5i

• 23-i

(-5 + 10i)(-5 - 10i) = 125

• True

• False

What letter represents an imaginary number?

• a

• i

• j

• x

(1-3i)(2+5i)

• 22-i
• 16-i
• 17-i