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Polynomials and Complex Numbers

Authored by Anthony Clark

Mathematics

11th Grade

CCSS covered

Polynomials and Complex Numbers
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does i=  ?

1

-1

√-1

√1

Tags

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiply: 
(4 – 3i)(-7 – 2i)

  -23 + 13i

  -23 - 29i

  -34 + 13i

  -34 - 29i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:

(10 + 15i) - (48 - 30i)

58 - 45i

58 - 15i

-38 - 15i

-38 + 45i

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the sum.

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

-2 + 6i

12 + 6i

-35 - 16i2

-35 - 16i

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.HSN.CN.C.8

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If z=√2+√2 i then arg(z2)=

0o

60o

90o

Not Possible

Tags

CCSS.HSN.CN.B.4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

i79

i

1

-1

-i

Tags

CCSS.HSN.CN.A.2

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