Lesson 1: Complex Numbers Answers
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1
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What is the square root of –16?
A
–8iB
–4iC
4iD
8i2
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Which of the following is equivalent to ?
A
5iB
18 – 5iC
18 + 5iD
233
Which complex number has an absolute value of 5?
A
–3 + 4iB
2 + 3iC
7 – 2iD
9 + 4i4
Which complex number has a distance of from the origin on the complex plane?
A
2 + 15iB
17 + iC
20 – 3iD
4 – iDid you find these answers helpful?
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