Free Printable Complex Numbers and Operations

1.

i⁶⁶

a)

1

b)

i

c)

-1

d)

-i

2.

i⁸⁶

a)

a.) i

b)

b.) -i

c)

c.) -1

d)

d.) 1

3.

i⁵²

a)

i

b)

-i

c)

1

d)

-1

4.

i⁸⁶⁴

a)

i

b)

-i

c)

1

d)

-1

5.

i⁸⁶⁴³

a)

i

b)

-i

c)

1

d)

-1

6.

i⁸⁶⁴³¹

a)

i

b)

-i

c)

1

d)

-1

7.

Multiply:
(4 – 3i)(7 + 2i)

a)

A. 22 - 13i

b)

B. 28 - 19i

c)

C. 34 - 13i

d)

D. -34 - 29i

8.

Find the square root of the number: $-4\ \sqrt[]{-144}$

a)

$8\ \sqrt[]{5i}$

b)

$12i\ \sqrt[]{2}$

c)

$16i\ \sqrt[]{5}$

d)

$-48i$

9.

Find the square root of the number: $8\ \sqrt[]{-20}$

a)

$8\ \sqrt[]{5i}$

b)

$12i\ \sqrt[]{2}$

c)

$16i\ \sqrt[]{5}$

d)

$3i\ \sqrt[]{10}$

10.

a)

1

b)

i

c)

-1

d)

-i

11.

a)

i

b)

5i

c)

-i

d)

-5i

Complex Numbers and Operations

Total questions: 11

Worksheet time: 17mins

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