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Powers of i & Operations with complex numbers

Authored by Tani Molina

Mathematics

11th Grade

CCSS covered

Used 4+ times

Powers of i & Operations with complex numbers
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13 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Simplify. Answer in a + bi form.

  (10+ 15i) - (48 - 30i)

(a)  

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 Simplify. Answer in a + bi form.

(-5+3i) - (4+7i)

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify completely.

2√-32

2i√32
4i√2
8i√2
-16i√2

4.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Simplify. Answer in a + bi form.

(1 + i) + 2 + 2i  

(a)  

Tags

CCSS.HSN.CN.A.2

5.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Simplify. Answer in a + bi form.

(5i)(-6 + 4i)

(a)  

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify. Answer in a + bi form.

(8-3i)(5-2i)

13 - 5i

34 - 31i

-31 + 34i

5 - 13i

Tags

CCSS.HSN.CN.C.8

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify. Write in a + bi form.

(8 -3i)2

73

16 - 6i

55 + 48i

55 - 48i

Tags

CCSS.HSN.CN.C.8

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