Complex Numbers

Complex Numbers

9th - 12th Grade

11 Qs

quiz-placeholder

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Complex Numbers

Complex Numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Practice Problem

Medium

CCSS
HSN.CN.A.2, HSN.CN.A.3, HSA.APR.A.1

+4

Standards-aligned

Created by

Frederick Thompson

Used 1K+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

10
-10
10i
-10i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

5i
-5i
5+i
-5

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

3.

MULTIPLE CHOICE QUESTION

1 min • 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

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:
i7

i
-i
1
-1

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve
3x2 - 5 = -446

±√-147
7i√3
±7i√3
-7√3

Tags

CCSS.8.EE.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
√-108

3i√6
3i√20
6i√3
20i√3

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

-2+6i
12+6i
-35-16i2
-35 -16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

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