PHƯƠNG TRÌNH ĐƯỜNG TRÒN
Quiz
•
Mathematics
•
1st - 12th Grade
•
Practice Problem
•
Hard
Diễm Nguyễn
Used 39+ times
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19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tâm và bán kính của đườg tròn: 2x2+2y2-3x+4y-1=0 là
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các phương trình sau phương trình nào không phải là phương trình đường tròn?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các phương trình sau, phương trình nào là phương trình đường tròn?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đường tròn x2+y2-12x-6y+44=0 có bán kính là
1
2
3
9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tâm và bán kính của đường tròn (x-4)2+(y+2)2=25 là
I(4;2), R=5
I(4;-2), R=25
I(4;-2), R=5
I(-4;2), R=5
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Có bao nhiêu số nguyên m để: x2 + y2 – 2 (m + 1)x + 2my + 3m2 + 6m – 12 = 0 là phương trình một đường tròn
5
7
9
Không có
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình đường tròn có đường kính AB với A (-3; 1), B (5; 7) là :
x2 + y2 + 2x + 8y - 8 = 0
x2 + y2 - 2x + 8y - 8 = 0
x2+ y2 - 2x - 8y - 8 = 0
x2 + y2 + 2x - 8y - 8 = 0
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