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OpenStudy (anonymous):
I want to make sure I have the answer correct . Which of the following is the conjugate of a complex number with 2 as the real part and 7 as the imaginary part? 2 + 7i -2 - 7i -2 + 7i 2 - 7i I want to say 2+7i but I'm not sure
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OpenStudy (anonymous):
i think you might be right
OpenStudy (anonymous):
I mean I look at it and it doesn't have any negative signs in it so that's the only one that fits.
jimthompson5910 (jim_thompson5910):
2+7i is the original number it is NOT the conjugate (so it's NOT the answer)
jimthompson5910 (jim_thompson5910):
original: a+bi conjugate: a-bi
OpenStudy (anonymous):
Oh so it would be 2-7i?
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jimthompson5910 (jim_thompson5910):
correct
OpenStudy (anonymous):
Thank you!
jimthompson5910 (jim_thompson5910):
np
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