Complex Numbers

Complex Numbers

9th - 12th Grade

20 Qs

quiz-placeholder

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Complex Numbers

Complex Numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

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

+3

Standards-aligned

Created by

CAITLIN HAIG

Used 10+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Simplify

10

-10

10i

-10i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the conjugate of 4-3i?

A. 1/(4-3i)

B. 1/(4+3i)

C. -4 + 3i

D. 4 + 3i

Tags

CCSS.HSA.APR.A.1

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify:
i7

i
-i
1
-1

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve:

3x2 - 5 = -446

(Simplify your answer)

±√-147

7i√3

±7i√3

-7√3

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

5.

MULTIPLE CHOICE QUESTION

5 mins • 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

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Add:

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

-2+6i

12+6i

-35-16i2

-35 -16i

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Multiply:

3i(-2+4i)

-6+12i

-12-6i

-2+7i

12+6i

Tags

CCSS.HSA.APR.A.1

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