
Quiz về Phương Trình Mặt Cầu
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
Trí Văn
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình mặt cầu có dạng nào?
x^2 + y^2 + z^2 = a^2 + b^2 + c^2
x^2 + y^2 + z^2 = 1
x^2 + y^2 + z^2 = 0
x^2 + y^2 + z^2 = R^2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tâm của mặt cầu có tọa độ là gì nếu mặt cầu có phương trình x^2 + y^2 + z^2 = 9?
(0, 0, 0)
(2, 2, 2)
(1, 1, 1)
(3, 3, 3)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bán kính của mặt cầu có phương trình x^2 + y^2 + z^2 = 16 là bao nhiêu?
16
8
4
2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Điểm nào sau đây nằm bên trong mặt cầu có tâm I(0, 0, 0) và bán kính 5?
(3, 3, 3)
(4, 4, 4)
(5, 5, 5)
(2, 2, 2)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu M(x, y, z) nằm ngoài mặt cầu, thì điều kiện nào sau đây đúng?
x^2 + y^2 + z^2 = R^2
x^2 + y^2 + z^2 = 0
x^2 + y^2 + z^2 < R^2
x^2 + y^2 + z^2 > R^2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình mặt cầu có tâm I(1, -1, 2) và bán kính 3 là gì?
(x - 1)^2 + (y - 1)^2 + (z + 2)^2 = 9
(x + 1)^2 + (y - 1)^2 + (z + 2)^2 = 9
(x - 1)^2 + (y + 1)^2 + (z - 2)^2 = 9
(x + 1)^2 + (y + 1)^2 + (z - 2)^2 = 9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Điểm nào sau đây nằm trên mặt cầu có phương trình x^2 + y^2 + z^2 = 25?
(3, 4, 0)
(5, 0, 0)
(6, 8, 0)
(0, 0, 5)
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