
Квадратичные уравнения
Authored by Никита Зайцев
Mathematics
8th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите дискриминант уравнения x^2 - 5x + 6 = 0.
3
1
4
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Проверьте, имеет ли уравнение 2x^2 + 3x - 5 = 0 действительные корни.
Да
Скорее нет
Нет
Наверное
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите корни уравнения 4x^2 + 8x - 12 = 0
x = 2, -6
x = 0, -4
x = -3, 1
x = 5, -7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равен корень уравнения x^2 - 9 = 0?
3
±3
±9
9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите дискриминант уравнения 3x^2 + 4x + 2 = 0.
-6
-8
-12
-10
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Проверьте, имеет ли уравнение x^2 + 6x + 9 = 0 действительные корни.
Да хотя бы один
Нет не имеет
Да имеет два корня
Не знаю
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Преобразуйте уравнение 2x^2 - 10x + 12 = 0 к приведенному виду.
2x^2 - 5x + 6 = 0
x^2 - 5x + 6 = 0
x^2 - 5x + 7 = 0
x^2 - 6x + 8 = 0
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