Complex numbers

Complex numbers

10th Grade

7 Qs

quiz-placeholder

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Complex numbers

Complex numbers

Assessment

Quiz

Mathematics

10th Grade

Easy

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

+2

Standards-aligned

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 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

15 mins • 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

15 mins • 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

15 mins • 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

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(3i)(-2+4i)

-6+12i
-12-6i
-2+7i
12+6i

Tags

CCSS.HSA.APR.A.1

6.

MULTIPLE CHOICE QUESTION

15 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

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify
(-6 - 2i)2

32
36-4i
36+24i
32+24i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2