Free Printable complex number Quiz 1

1.

Given a complex number $5+4i$ . which one is real value ?

a)

$4i$

b)

$5$

c)

$-5$

d)

$4$

2.

what is value for imaginary part if a complex number is $-5i-3$

a)

$3$

b)

$-5$

c)

$-8$

d)

$-3$

3.

Express $\sqrt{-81}$ in term of $i$ .

a)

$81i$

b)

$-81i$

c)

$9i$

d)

$-9i$

4.

Simplify $3+\sqrt{-49}$

a)

$3-49i$

b)

$3+49i$

c)

$3-7i$

d)

$3+7i$

5.

Simplify $i^7$

a)

$-i$

b)

$i$

c)

$7i$

d)

$-7i$

6.

State the real part if given a complex number $7-9i$

a)

$-9i$

b)

$7$

c)

$-7$

d)

$9$

7.

State the imaginary part if given a complex number $7-9i$

a)

$-9i$

b)

$7$

c)

$-7$

d)

$9$

8.

Simplify $\sqrt{-64}+5$

a)

$5-8i$

b)

$8i+5$

c)

$13i$

d)

$3i$

9.

Simplify $\sqrt{-4}+\sqrt{-64}$

a)

$40i^2$

b)

$8i^2$

c)

$40i$

d)

$8i$

10.

Simplify $\sqrt{-4}-3\sqrt{-25}$

a)

$-13i^2$

b)

$13i^2$

c)

$-13i$

d)

$13i$

complex number Quiz 1

Total questions: 10

Worksheet time: 5mins

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