
Kiến thức về mặt cầu

Quiz
•
Mathematics
•
12th Grade
•
Medium
hằng vũ
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xác định phương trình mặt cầu có tâm O(1, 2, 3) và bán kính 4.
(x - 1)² + (y - 2)² + (z + 3)² = 16
(x + 1)² + (y - 2)² + (z - 3)² = 16
(x - 1)² + (y - 2)² + (z - 3)² = 8
(x - 1)² + (y - 2)² + (z - 3)² = 16
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm tọa độ tâm của mặt cầu có phương trình x^2 + y^2 + z^2 - 6x - 8y + 10z + 9 = 0.
(3, 4, -5)
(1, 1, -1)
(2, 3, -4)
(0, 0, 0)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính bán kính của mặt cầu có phương trình (x - 2)^2 + (y + 1)^2 + (z - 3)^2 = 16.
4
6
2
8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xác định phương trình mặt cầu có tâm A(0, 0, 0) và bán kính 5.
x² + y² + z² = 25
x² + y² + z² = 20
x² + y² + z² = 30
x² + y² + z² = 15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm tọa độ tâm mặt cầu có phương trình x^2 + y^2 + z^2 - 4x - 6y - 8z + 36 = 0.
(5, 5, 5)
(0, 0, 0)
(1, 2, 3)
(2, 3, 4)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính bán kính của mặt cầu có phương trình (x + 3)^2 + (y - 2)^2 + (z + 1)^2 = 25.
10
3
5
7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xác định phương trình mặt cầu có tâm B(2, -1, 4) và bán kính 3.
(x - 2)² + (y + 1)² + (z - 4)² = 12
(x - 2)² + (y + 1)² + (z - 4)² = 9
(x - 2)² + (y + 1)² + (z - 4)² = 6
(x + 2)² + (y - 1)² + (z + 4)² = 9
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