ÔN TẬP TỈ LỆ THỨC VÀ ĐẠI LƯỢNG TỈ LỆ 7
Quiz
•
Mathematics
•
7th Grade
•
Medium
Minh Hải Trần
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
OPEN ENDED QUESTION
3 mins • 1 pt
Cho biết x và y là hai đại lượng tỉ lệ nghịch. Khi x = 3 thì y = 7. Biểu diễn y theo x
Evaluate responses using AI:
OFF
Answer explanation
y = 21x
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Evaluate responses using AI:
OFF
Answer explanation
3.8=4.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-1
-4
1
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho biết đại lượng y tỉ lệ thuận với đại lượng x theo hệ số tỉ lệ là -2. Hãy biểu diễn y theo x
y = 2x
y = -2x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a = -4; y = -4x
a = 8; y = 8x
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho biết y = 4x . Chọn phương án đúng nhất
y tỉ lệ thuận với x theo hệ số tỉ lệ là 4
x tỉ lệ thuận với y theo hệ số tỉ lệ là 4
y tỉ lệ nghịch với x theo hệ số tỉ lệ là 4
x tỉ lệ nghịch với y theo hệ số tỉ lệ là 4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
-2
16
-16
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