Квадратные уравнения
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
s. kimel
Used 87+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выберите из данных уравнений квадратные:
2x^2+4x^3-8=0
-5x^2=-100
2x-7=0
x^2+4x-16=0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В данном уравнении назовите второй коэффициент:
5
15
1
-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Квадратное уравнение называется неполным, если
коэффициент a равен 0.
любой из коэффициентов b и c может быть равен 0
только коэффициент c равен 0.
только коэффициент b равен 0.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Полное квадратное уравнение имеет один корень, если
дискриминант меньше нуля
дискриминант больше нуля
дискриминант равен нулю
дискриминант может быть равен любому числу
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Решите уравнение 4х2 = 16
4 или -4
2 или -2
4
корней нет
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Решите уравнение 2,34х2 = 0
-2,34
0
корней нет
1 или -1
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Решите уравнение х2 - 36 = 0
36
6 или -6
6
-6
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