numeros complexos

numeros complexos

5th Grade

10 Qs

quiz-placeholder

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numeros complexos

numeros complexos

Assessment

Quiz

Mathematics

5th Grade

Hard

Created by

paulo camargo

Used 10+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

realize a conta

z1 = 2 + 3i

z2 = 1 + 2i

z1 + z2 = 4 + 5i

z1 + z2 = 3 + 6i

z1 + z2 = 3 + 5i

z1 + z2 = 3 + 3i

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Realize a subtração de z1 e z2.

z1 = 5 – 2i

z2 = – 3 + 2i

z1 z2 = 8 –4i

z1 z2 = 3 –4i

z1 z2 = 9 –4i

z1 z2 = 8 –2i

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Se z

1

=1+2i

e z

2

=2+3i

a divisão será:

z

1

z

2


=8−i

4+4


=8−i

13


=8

13


−1

13


i

z

1

z

2


=8−i

4+9


=8−i

18


=8

13


−1

13


i

z

1

z

2


=8−i

4+9


=8−i

13


=8

13


−1

12


i

z

1

z

2


=8−i

4+9


=8−i

13


=8

13


−1

13


i

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Se z1=2+5i e z2=1+3i

o produto será:

z1⋅z2=−13+11i

z1+z2=−13+11i

z1⋅z2=−14+11i

z1⋅z2=−13+12i

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a forma algébrica de z no caso 3z = z - (- 8 + 6i)?

z = 4 – 2i

z = 4 – 3i

z = 2 – 2i

z = 1 – 2i

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

qual Cálculo de i 403?

i 403 = i 3 = –i

i 403 = i 3 = +i

i 413 = i 3 = –i

i 402 = i 3 = –i

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Se i é a unidade imaginária do conjunto dos números complexos, então o complexo (4 · i3 + 3 · i2 + 2 · i + 1) é:

6+4i

1+2i

-2+2i

-2-2i

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