
Проверка знаний по квадратным уравнениям
Quiz
•
Mathematics
•
8th Grade
•
Hard
Имангали Озикелдиулы
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что такое квадратное уравнение?
Квадратное уравнение - это уравнение вида ax² + bx + c = 0.
Квадратное уравнение - это уравнение вида ax³ + bx + c = 0.
Квадратное уравнение - это уравнение вида ax² + b = 0.
Линейное уравнение - это уравнение вида ax + b = 0.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как найти дискриминант квадратного уравнения?
D = 4b - ac
D = b^2 + 4ac
D = b^2 - 4ac
D = 2b + 4ac
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Решите уравнение: x^2 - 5x + 6 = 0
x = 2, x = 3
x = 5
x = 1
x = 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Каковы корни уравнения x^2 + 4x + 4 = 0?
x = 2
x = -4
x = 0
x = -2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Примените теорему Виета к уравнению x^2 - 3x + 2 = 0.
Корни уравнения: 1 и 3.
Корни уравнения: 1 и 2.
Корни уравнения: -1 и -2.
Корни уравнения: 0 и 3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой дискриминант у уравнения x^2 - 2x + 1 = 0?
-1
1
0
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Проверьте, являются ли 2 и 3 корнями уравнения x^2 - 5x + 6 = 0.
Да, только 2 является корнем уравнения.
Нет, 2 и 3 не являются корнями уравнения.
Да, 2 и 3 являются корнями уравнения.
Да, только 3 является корнем уравнения.
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