Ôn tập chương 4 (Đại số 10)

Quiz
•
Mathematics
•
7th - 12th Grade
•
Hard

Cương Trần
Used 12+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong các biểu thức sau, đâu là nhị thức bậc nhất?
2-x
2x+y+1
x2+2
x+2x2-1
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quy tắc xét dấu nhị thức bậc nhất là:
Trái cùng, phải khác
Trái khác, phải cùng
Trong khác ,ngoài cùng
Trong cùng, ngoài khác
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho bpt ax+b>0. Khi nào bpt có nghiệm với mọi x?
a>0
a=0 và b>0
a>0; b>0
a=0: b<0
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho bpt: ax+b>0. Khi nào bpt vô nghiệm với mọi x?
a<0;b<0
a>0; b<0
a=0; b>0
a=0; b<0
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho tam thức bậc hai: 3x-x2+2. Hệ số a của tam thức là?
3
1
-1
2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong các biểu thức sau, biểu thức nào là tam thức bậc hai:
4x2-1
2x+y_1
2x2-1+1
3x+1
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quy tắc xét dấu của tam thức bậc hai là:
Trái khác, phải cùng
Trái cùng, phải khác
Trong trái, ngoài cùng.
Trong cùng, ngoài khác
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