Ôn tập Hàm số_Tam thức bậc hai

Quiz
•
Mathematics
•
10th Grade
•
Hard
quyền văn
Used 4+ times
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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
D=[3;+∞)
D=[-3;+∞)
D=(-∞;3]
D=[0;+∞)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
D=R\{2}
D=R\{-2}
D=R\{3}
D=R\{1}
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
f(1)= -1
f(1)= 1
f(1)= -3
f(1)= -3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hàm số y=3x+1. Chọn_khẳng_định đúng
Luôn đồng biến trên R
Luôn nghịch biến trên R
Nghich biến trên (0;+∞)
Nghich biến trên (-∞;0)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
x=-1
y=-1
x=1
y=7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(1;-1)
(1;-2)
(-1;1)
(-2;-1)
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Đồ thị đi qua điểm (0;2)
Đồ thị có bề lõm quay lên
Đồ thị có trục đối xứng x=3
Đồ thị có bề lõm quay xuống
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