
numeros complexos
Authored by paulo camargo
Mathematics
5th Grade
Used 10+ times

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10 questions
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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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