Operations with Complex Numbers Answers

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

(9 – 6i) × m = 9 – 6i What is m?

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

–2 + 14i ✔ –4 + 28i –20 + 20i

Select the correct answer from the choices given(13 + 4i) + n = 0 What is n?

Which addition expression has the sum 8 – 3i ?

Which subtraction expression has the difference 1 + 4i?

Multiply and simplify the product.–12i × 3iSelect the product.

Multiply and simplify the product.(3 – 5i)(–2 + 4i) Select the product.

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Multiply each pair of factors. Type the product in the space provided. (6 + 3i)(6 − 3i) = (4 − 5i)(4 + 5i) = (−3 + 8i)(−3 − 8i) =

Which pair of complex factors results in a real-number product?

Find the sum of (–4 + i) and (10 – 5i).

Subtract (3 + 2i) from (–9 – 8i).

Multiply and simplify the product.2i(4 – 5i) Select the product.

Multiply and simplify the product.(8 – 5i)2 Select the product.

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What values of c and d would make the following expression represent a real number?i(2 + 3i)(c + di)

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