Operation on Imaginary Numbers

Quiz

•

Mathematics

•

10th - 12th Grade

•

Hard

•

CCSS

HSN.CN.A.2, HSN.CN.A.1

Standards-aligned

Barbara White

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify:
(10 + 15i) - (48 - 30i)

58 - 45i

58 - 15i

- 38 - 15i

- 38 + 45i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the sum.
(5 - 2i) + (- 7 + 8i)

- 2 + 6i

12 + 6i

- 35 - 16i²

- 35 -16i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

22 - i

16 - i

17 - i

3 - 15i

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(3 + 8i)(- 2 - i)

2 - 19i

23 - i

34 + 5i

23 - i

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What does i² = ?

- 1

√- 1

1

- √1

Tags

CCSS.HSN.CN.A.1

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(10 + 3i) - (2 - 9i)

20 - 27i

12 - 7i

8 + 12i

20 - 27i²

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

3i + 2i

5i

5i²

6i

-5

Tags

CCSS.HSN.CN.A.2

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