Add and Subtract Complex Numbers Answers

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

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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?

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

Complete each of the following statements given z = 1 – 2i and w = –3 + 5i. z + w = −2 + i z − w = – 7i w − z = – 4 + i

Let z = 1 + 3i and w = −3 − 4i. Use the drop down menus to complete the statements. The sum z + w is equal to − − i. The sum w + z is equal to −2 − i. The result supports that complex number addition is .

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

Consider the numbers z = (cos 45o + i sin 45o )and w = 2(cos 90o + i sin 90o). Fill in the blanks to complete the statements. In rectangular form, z − w = 1 − i In polar form z – w = (coso + i sin o)

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

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