Số nào sau đây có căn bậc hai số học bằng 4?

Ôn thi giữa kỳ 1 trắc nghiệm toán 9

Quiz
•
Architecture
•
9th Grade
•
Hard
Sơn Đặng
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2
8
16
2 và -2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cho tam giác ABC vuông tại C, khi đó CosA bằng
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Đường thẳng y= -2x+3 cắt đường thẳng nào dưới đây ?
y=3-2x
y= -2x+5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2
-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong mặt phẳng tọa độ Oxy, đường thẳng y=(m-1).x-1 (d) đi qua A(1;3) khi đó giá trị của m là
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x=9
x=10
x=11
x=12
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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