Imaginary and Complex Numbers

10th - 12th Grade

•

12 Qs

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Imaginary and Complex Numbers

Quiz

•

Mathematics

•

10th - 12th Grade

•

Medium

•

CCSS

HSA.APR.A.1, HSN.CN.A.1, HSN.CN.A.2

Standards-aligned

Erin Wilson

Used 494+ times

FREE Resource

12 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does i²= ?

-1

√-1

√1

Tags

CCSS.HSN.CN.A.1

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Multiply:
(4 – 3i)(-7 – 2i)

A. -23 + 13i

B. -23 - 29i

C. -34 + 13i

D. -34 - 29i

Tags

CCSS.HSA.APR.A.1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify:

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

58 - 45i

58 - 15i

-38 - 15i

-38 + 45i

Tags

CCSS.HSA.APR.A.1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the sum.

(5 - 2i) + (-7 + 8i)

-2 + 6i

12 + 6i

-35 - 16i²

-35 - 16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Multiply:

(2 - 5i)(2 + 5i)

4 - 25i

25 - 10i

-21

Tags

CCSS.HSA.APR.A.1

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(2i)(3i)

-5

6i²

-6

Tags

CCSS.HSA.APR.A.1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify √-23

-√23

23i

i√23

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

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