Complex Numbers Solving Problems

Complex Numbers Solving Problems

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Question 1 of 7

1. Question

Let the complex numbers be z = -4+5i and w = a+bi, with a, b ϵ R. If the real part of w is twice the imaginary part of the conjugate of z and the imaginary part of w is half the real part of z, then the opposite of w is equal to

10+2i

-10+2i

-10-2i

8-10i

-8+5/2 i

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Incorrect
Question 2 of 7

2. Question

-60

-40

-5

5

60

Correct

Incorrect
Question 3 of 7

3. Question

Divisible by 5

Divisible by 6

Multiple of 3

Multiple of 4

prime number

Correct

Incorrect
Question 4 of 7

4. Question

-2

-1

2

3

4

Correct

Incorrect
Question 5 of 7

5. Question

3

-3

0

± 9

-9

Correct

Incorrect
Question 6 of 7

6. Question

3 and 1

2 and 1

2 and -1

3 and -1

3 and 2

Correct

Incorrect
Question 7 of 7

7. Question

1

i

-1

-i

0

Correct

Incorrect

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