Квадратные уравнения
Quiz
•
Mathematics
•
9th Grade
•
Medium

Olga Einman
Used 43+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
В квадратном уравнении -3х2+10х+5=0 укажите коэффициент квадратичного члена:
10
-3
5
0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какое уравнение является полным квадратным уравнением?
ах2 + bх + с = 0
ах + b = 0
bx +c = 0
bx = 0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Дискриминант квадратного уравнения можно вычислить по формуле...
D = -b2-4ac
D = b2-4ac
D = b2+ 4ac
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какое из уравнений является квадратным?
1-12х=0
48х2+х3-9=0
7х2-13х+5=0
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какое из квадратных уравнений является приведённым?
12-х2+3х=0
х2-7х+16=0
-15х2+4х-2=0
4х2+х-1=0
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
нет имеет действительных корней
2 различных корня
2 равных корня
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2 равных корня
не имеет действительных корней
2 различных корня
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