Operations with Complex Numbers

Question 1

Let x = a + bi and y = c + di and z = f + giWhich statements are true? Check all of the boxes that apply.

Revolt · Accepted Answer

x + y = y + x; (x × y) × z = x × (y × z); (x + y) + z = x + (y + z)

Question 2

(9 – 6i) × m = 9 – 6i What is m?

Revolt · Accepted Answer

1

Question 3

Question 3

Question 4

Simplify each expression. Select the correct answer from the drop-down menu.

Revolt · Accepted Answer

✔ –36; −6(3i)(−2i) = 2(3 − i)(−2 + 4i) =: –36; −6(3i)(−2i) = 2(3 − i)(−2 + 4i) =: –4 + 28i

Question 5

–2 + 14i ✔ –4 + 28i –20 + 20i

Revolt · Accepted Answer

✔ –4 + 28i

Operations with Complex Numbers Answers