Free Printable Complex Number

1.

$\sqrt[]{-49}=$

(a)

2.

$5-\sqrt[]{-100}=$

(a)

3.

$5i^5+i^3=$

a)

4i

b)

-4i

c)

-4

4.

$\left(1+i\right)+\left(2-i\right)=$

(a)

5.

$\left(1+i\right)\left(2-i\right)=$

a)

$2+i$

b)

$3+i$

c)

$1+i$

6.

(3+i)-(1-i)=

(a)

7.

Solve $\frac{2-i}{1+i}$ and write answer in a+bi

a)

$\frac{1}{2}-\frac{3}{2}i$

b)

$\frac{1-i}{2}$

c)

$-\frac{1}{2}i+\frac{1}{2}$

8.

Find argument for p=3-i

a)

$18.43\degree$

b)

$161.57\degree$

c)

$198.43\degree$

9.

Find modulus for p=3+i

a)

$\sqrt[]{10}$

b)

$\sqrt[]{9}$

c)

$\sqrt[]{7}$

10.

$\left(\sqrt[]{2}\angle45\degree\right)\times\left(\sqrt[]{5}\cos\ 333.43\degree+i\sin333.43\degree\right)$

a)

$10\angle378.43\degree$

b)

$\sqrt[]{10}\angle288.43\degree$

c)

$\sqrt[]{10}\angle378.43\degree$

Complex Number

Total questions: 10

Worksheet time: 1hrs 24mins

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