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Imaginary Numbers

Authored by Kylee Herberger

Mathematics

10th - 12th Grade

CCSS covered

Used 263+ times

Imaginary Numbers
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

Simplify √-4

2i
-2i
2
4i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

CCSS.HSN.RN.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify √-81

-√81
-9i
9i
81i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiply:
(2-5i)(2+5i)

29
4 - 25i
25 - 10i
-21

Tags

CCSS.HSN.CN.C.8

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

i79

i
1
-1
-i

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

(2i)(3i)

5i
-5
6i2
-6

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

i13

-1
1
i
-i

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is i129?

-i
i
1
-1

Tags

CCSS.HSN.CN.A.2

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