
Корни квадратного уравнения
Quiz
•
Mathematics
•
8th Grade
•
Hard
ансар зинекен
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решите уравнение: x^2 - 5x + 6 = 0.
x = 0, x = 5
x = 2, x = 3
x = -2, x = -3
x = 1, x = 4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Найдите дискриминант уравнения: 2x^2 + 4x + 2 = 0.
1
2
-4
0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Используя формулу корней, найдите корни уравнения: x^2 + 2x - 8 = 0.
-2, 4
2, -4
1, -9
0, -8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Проверьте, являются ли числа 2 и 3 корнями уравнения: x^2 - 5x + 6 = 0.
Нет, 2 является корнем, а 3 нет.
Да, 2 и 3 являются корнями уравнения.
Нет, ни 2, ни 3 не являются корнями уравнения.
Да, 2 и 4 являются корнями уравнения.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Примените теорему Виета к уравнению: x^2 - 7x + 10 = 0.
Корни уравнения: 1 и 6.
Корни уравнения: 2 и 5.
Корни уравнения: -2 и -5.
Корни уравнения: 3 и 4.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решите уравнение: 3x^2 - 12x + 9 = 0 и найдите дискриминант.
x1 = 5, x2 = -1; D = 24
x1 = 0, x2 = 3; D = 12
x1 = 2, x2 = 4; D = 16
x1 = 3, x2 = 1; D = 36
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какой корень уравнения x^2 + 4x + 4 = 0?
-2
0
-1
2
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