Dấu của tam thức bậc hai

Quiz
•
Mathematics
•
10th - 12th Grade
•
Hard
Len Nguyễn
Used 139+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Tam thức bậc hai là biểu thức có dạng:
với
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong các biểu thức sau, biểu thức nào là tam thức bậc hai?
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho tam thức bậc hai với . Chọn khẳng định đúng trong các khẳng định được cho dưới đây:
và .
và .
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho tam thức bậc hai với . Tìm mệnh đề đúng trong các mệnh đề sau:
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho tam thức bậc hai với . Tìm mệnh đề đúng trong các mệnh đề được cho dưới đây:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xét dấu ta được:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xét dấu ta được:
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