Números Complexos

Números Complexos

12th Grade

20 Qs

quiz-placeholder

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Números Complexos

Números Complexos

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

CATIANE NEGRELLO

Used 10+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O número z= 2 + 3i é:

imaginário

real

imaginário puro

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é o valor de x para que o número z = (8 - x³) + 3i seja imaginário puro?

2

8

3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é o valor de x para que o número z = 5 + (x³ + 8)i seja real?

2

3

-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual dos números abaixo é complexo?

5\sqrt{5}

9\sqrt{-9}

-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual das alternativas está correta?

4=± 2i\sqrt{-4}=\pm\ 2i

9 = ±3i\sqrt{9}\ =\ \pm3i

2 = 2i\sqrt{-2}\ =\ 2i

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é a solução de i²?

i

-1

1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual número é imaginário puro?

-2 + 2i

-3i

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