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Authored by Артур Ситко
Mathematics
8th Grade
Used 1+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Дискриминант квадратного уравнения можно вычислить по формуле...
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Когда уравнение не имеет корней?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решите квадратное уравнение
2x2-4х=0
0 и 2
-2
4 и 2
0,5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Найдите корни квадратного уравнения:
3х2+27=0
9 и -9
9
14
Нет корней
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Найдите корни квадратного уравнения
х2+2х-48=0
-6 и 8
-8 и 6
24
8 и 6
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Среди уравнений укажите ВСЕ неполные квадратные
5х - 3 = х2
х2 + 100 = 0
2х - 7 = 0
3х2 + 5х = 0
х2 = 25
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решите уравнение 5х2 + 75 = 0
5
-15
корней нет
75
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