Imaginary 9th - 11th Grade Quiz | Wayground (formerly Quizizz)

Imaginary

Quiz

•

Mathematics

•

9th - 11th Grade

•

Hard

•

CCSS

HSN.CN.A.2, HSN.CN.C.8, HSN.CN.A.3

Standards-aligned

Barbara White

FREE Resource

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
(3 + 2i) + (4i + 6)

9 + 6i

7i + 8

9 + 6i²

9 - 6i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
(4 + 7i) - (3 + 2i)

1 + 5i

7 + 9i

1 + 9i

-1 + 5i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:
-3i(4 + 2i)

6 - 12i

6 + 12i

-12i - 6i²

-12i + 6i²

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:
(2 - 3i)(5 + 4i)

22 - 7i

22 + 7i

22 - 7i²

22 + 7i²

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the complex conjugate of 4-3i?

A. 1/(4-3i)

B. 1/(4+3i)

C. -4 + 3i

D. 4 + 3i

Tags

CCSS.HSN.CN.A.3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(4-5i)(4+5i)

41

-9

41+40i

-9+40i

Tags

CCSS.HSN.CN.C.8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(2i)(3i)

5i

-5

6i

-6

Tags

CCSS.HSN.CN.A.2

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