Complex Numbers

10th - 12th Grade

•

14 Qs

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Complex Numbers

Quiz

•

Mathematics

•

10th - 12th Grade

•

Medium

•

CCSS

HSN.CN.A.2, HSN.CN.A.3, HSN.CN.A.1

Standards-aligned

Stephanie Moye

Used 5+ times

FREE Resource

14 questions

Show all answers

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

-10

10i

-10i

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

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

-2+6i

12+6i

-35-16i²

-35 -16i

Tags

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(3i)(-2+4i)

-6+12i

-12-6i

-2+7i

12+6i

Tags

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Multiply:
(4 – 3i)(-7 – 2i)

A. -23 + 13i

B. -23 - 29i

C. -34 + 13i

D. -34 - 29i

Tags

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does i² = ?

-1

√-1

-√1

Tags

CCSS.HSN.CN.A.1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:
√-108

3i√6

3i√20

6i√3

20i√3

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