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Arithmetic and Complex Numbers

Authored by Anthony Clark

Mathematics

10th Grade

CCSS covered

Arithmetic and Complex Numbers
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify: 
(7 + 2i)(9 - 6i)

75-24i

63 - 24i  - 12i2

51 - 24i

58 + 60i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify 
√-25

-5i

5

5i

-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt


√-108

3i√6

3i√20

6i√3

20i√3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify
2i - 7i + 10

-5i+10

5i

9i+10

5i+10

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify
3i - (4 + 7i)

-4 + 10i

21 - 12i

4 - 10i

-4 - 4i

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiply
(3i)(-2+4i)

-6+12i

-12-6i

-2+7i

12+6i

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiply: 
(4 – 3i)(7 + 2i)

 22 - 13i

 28 - 19i

 34 - 13i

  -34 - 29i

Tags

CCSS.HSN.CN.A.2

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