Add and Subtract Complex Numbers Answers

Which graph represents z = (–3 + 4i) – (2 + i)?

The image shows w and z + w. What is z?

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Complete each of the following statements given z = 1 – 2i and w = –3 + 5i.

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Let z = 1 + 3i and w = −3 − 4i.

✔ 123

✔ 123

Consider the numbers z = (cos 45o + i sin 45o )and w = 2(cos 90o + i sin 90o).

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associative✔ commutativedistributive

The complex numbers z1 and z2 are graphed. Which point represents z1 + z2?

The complex numbers z1 and z2 are graphed. Which point represents z1 – z2?

The complex numbers z and w are graphed. Which expression represents z + w?

Let z = 1 + 3i and w − z = − 3 − 4i. What is w?

Consider the numbers z = 3 StartRoot 2 EndRoot (cos(135°) + i sin(135o) and w = cos(180o) + i sin(180°). Which expression is closest to the polar form of z + w?

Let z = 1 + 3i and w = −3 − 4i.