Free Printable Day 8 Multiply and Divide Complex Numbers

Worksheets

Day 8 Multiply and Divide Complex Numbers

Total questions: 10

Worksheet time: 12mins

Name

Class

Date

Give your answer in the form of a+bi for (8-3i)(5-2i)

13 - 5i

34 - 31i

-31 + 34i

5 -13i

Solve 5( - 6 + 4i)

-30 - 20i

-20 +30i

30 + 20i

-30 + 20i

What is the conjugate of 2 - 7i ?

7 + 2i

2 + 7i

-2 - 7i

-2 + 7i

Solve (-3-5i)(2-6i)

36 + 8i

36 + 8i²

-36 - 8i

-36 + 8i

(1-3i)(2+5i)

22-i

16-i

17-i

(3i)(-2+4i)

-6+12i

-12-6i

-2+7i

12+6i

Simplify

(-7-3i)/10

(-4-3i)/7

6i/7

(4i-3)/7

Simplify $\frac{20-16i}{-4i}$

$4+5i$

$-4+5i$

$4-5i$

$5+4i$

Simplify.

10.

Refer to the above image, what is the conjugate of the denominator?

-1 + 5i

1 - 5i

1 + 5i

-1 - 5i

100 %

Day 8 Multiply and Divide Complex Numbers

Total questions: 10

Worksheet time: 12mins

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