
Bài tập Quizizz và Toán
Authored by PHẠM ĐỨC TIẾN
Mathematics
10th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(4;+∞)
[4;+∞)
(−∞;4]
R
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x=2,x=3
x=−2,x=−3
x=1,x=6
x=−1,x=−6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giá trị của cos45∘ là:
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho a=(3;−1) và b=(1;2). Tọa độ của vectơ a−2b là:
(1;5)
(1;−5)
(−1;5)
(−1;−5)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giá trị của biểu thức tan30∘+sin60∘ là bao nhiêu?
1
2
√3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(−∞;2)∪(2;+∞)
[2;+∞)
(−∞;2]
R
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x=−1,x=−4
x=1,x=4
x=2,x=2
x=−2,x=−2
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