Match each description when z = 9 + 3i. 1. real part of z, 3 2. imaginary part of z, 9 - 3i 3. complex conjugate of z, 3i 4. 3i - z -3i 5. z - 9, -9 6. 9 - z, 9

see below

Step-by-step explanation:

z = 9 + 3i

This is in the form a+bi   where a is the real part and b is the imaginary part

1.The real part is 9

2. The imaginary part is 3

The complex conjugate is a-bi

3. complex conjugate 9-3i

4. 3i - z = 3i - (9+3i) = 3i -9 - 3i = -9

5. z-9 = 9+3i - 9 = 3i

6.  9-z = 9- (9+3i) = 9-9-3i = -3i

i think the answer is b.

step-by-step explanation:

not 100% sure though.

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step-by-step explanation: