
Комплексные числа
Authored by Татьяна Храпачева
Mathematics
5th Grade
Used 49+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Комплексными числами называются числа вида x+yi,где i- мнимая единица , а x и y -
целые числа
натуральные числа
действительные числа
рациональные числа
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Модуль комплексного числа z=x+yi равен
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какое число является комплексно-сопряженным числу z=x+yi
-x+yi
x-yi
-x-yi
x+yi
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Тригонометрическая форма комплексного числа z=a+bi имеет вид
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Действительная и мнимая части числа z=3-2i равны
Re z= 3 Im z= -2
Re z= 3 Im z= 2
Re z= 2 Im z= -3
Re z= -2 Im z= 3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Определите аргумент числа -2i (в ответах указаны градусы)
180
90
-90
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Даны два числа 2+3i и 6i -7. Определите какое число является разностью указанных чисел
9-3i
-4+10i
-5+9i
8-4i
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