ÔN TẬP HỌC KÌ II TOÁN 7
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
bìnhngọc thcs
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42 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho x tỉ lệ thuận với y theo hệ số tỉ lệ 2. Công thức biểu diễn y theo x là
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho x và y tỉ lệ nghịch với nhau. Khi x=2 thì y=-4 thì hệ số tỉ lệ bằng
-3
-48
-8
8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đa thức f(x) = 2x - 2 có nghiệm là
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bậc của đa thức P(x) = -2x5-3x4+2x5-x2+3
5
4
3
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đa thức ax2 + bx + c = 0 có nghiệm x = -1 khi nào?
a+b+c=0
a-b+c=0
a-b-c=0
a+b-c=0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả của phép tính 4x5 -3x5 -12x5 = 0 là
-11x5
-13x5
13x5
11x5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hình vẽ bên, với G là trọng tâm của tam giác ABC. Tỉ số của GD và AG là
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