
Проверка знаний по квадратным уравнениям

Quiz
•
Mathematics
•
8th Grade
•
Hard
Svetlana Svetlana
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Решите уравнение: x² - 5x + 6 = 0
x = 0, x = 5
x = 2, x = 3
x = -2, x = -3
x = 1, x = 4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите корни уравнения: 2x² + 4x - 6 = 0
x₁ = 0, x₂ = -3
x₁ = 3, x₂ = -1
x₁ = 2, x₂ = -2
x₁ = 1, x₂ = -3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова формула дискриминанта для квадратного уравнения?
D = 2b + ac
D = b^2 - 4ac
D = b^2 + 4ac
D = 4b - ac
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите дискриминант уравнения: x² + 2x + 1 = 0
0
1
-1
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Решите уравнение: 3x² - 12 = 0
x = 1, x = -1
x = 3, x = -3
x = 4, x = -4
x = 2, x = -2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое значение дискриминанта у уравнения: x² - 4x + 4 = 0?
1
2
-4
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите корни уравнения: x² + 3x + 2 = 0
x = 0, x = -3
x = -1, x = 2
x = 1, x = -2
x = -1, x = -2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое уравнение имеет дискриминант равный нулю?
x^2 - 2x + 1 = 0
x^2 + x + 1 = 0
x^2 + 2x + 1 = 0
x^2 - 3x + 2 = 0
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